Samsung A35 Reference manual

SAMSUNG MEDISON
DIAGNOSTIC ULTRASOUND SYSTEM

A35

Reference Manual

SAMSUNG MEDISON
DIAGNOSTIC ULTRASOUND SYSTEM

Version 3.01

A35

Reference Manual

English

Table of Contents

PART 1. OB REFERENCE

OB REFERENCE 9

Gestational aGe and FetalGrowth Formula and table list 9

ABDOMINAL CIRCUMFERENCE (AC)

KOREAN 9
HADLOCK 9
HANSMANN 10
MERZ 10
JEANTY 12
SHINOZUKA 13
JSUM 14
CHITTY (D) 15
CHITTY (M) 15
CAMPBELL 16
ASUM(SCW) 16
CFEF 17
JOHNSEN 18
KURMANAVICIUS 18
NICOLAIDES 19

BIPARIETAL DIAMETER (BPD)

KOREAN 21
HANSMANN 21
HADLOCK 23
MERZ 23
JEANTY 25
SABBAGHA 26
SHINOZUKA 26
JSUM 28
OSAKA 29

CHITTY (OUT-IN) 32
CHITTY (OUT-OUT) 34
CAMPBELL 35
KURTZ 36
ASUM(SCW) 37
BESSIS 37
CFEF 38
JOHNSEN 39
REMPEN 40
KURMANAVICIUS 41
NICOLAIDES 41

CROWN-RUMP LENGTH (CRL)

KOREAN 43
ROBINSON 44
HANSMANN 44
SHINOZUKA 45
JUSM 47
NELSON 48
HADLOCK 48
OSAKA 49
ASUM(SCW) 50
REMPEN 51

FEMUR LENGTH (FL)

KOREAN 53
HADLOCK 53
MERZ 54
HANSMANN 55
HOHLER 56
JEANTY 56
SHINOZUKA 59
JSUM 61
OSAKA 63
CHITTY 65
CAMPBELL 67

Reference Manual 2

ASUM(SCW) 67
DOUBILET 68
BESSIS 68
CFEF 69
JOHNSEN 70
KURMANAVICIUS 71
NICOLAIDES 71

ANTERIOR POSTERIOR THORACIC DIAMETER (APTD)

HANSMANN 73

ANTERIOR POSTERIOR THORACIC DIAMETER (APTD) AND
THORAX TRANSVERSE DIAMETER (TTD)

SHINOZUKA 74
TOKYO 75

GESTATIONAL SAC (GS)

KOREAN 76
HANSMANN 76
HELLMAN 77
NYBERG 77
TOKYO 77
REMPEN 78

OCCIPITAL FRONTAL DIAMETER (OFD)

HANSMANN 79
ASUM(SCW) 80
KOREAN 81
KURMANAVICIUS 81
NICOLAIDES 82

OUTER OCULAR DISTANCE (OOD)

JEANTY 84
HANSMANN 85

HUMERUS (HUM)

JEANTY 86
KOREAN 88
MERZ 88
OSAKA 89
ASUM(SCW) 90
HANSMANN 91

TIBIA (TIB)

JEANTY 91
MERZ 93
HANSMANN 94

THORAX TRANSVERSE DIAMETER (TTD)

HANSMANN 94

CEREBELLUM (CEREB)

HILL 95
CHITTY 96
GOLDSTEIN 96
NICOLAIDES 97

ULNA

JEANTY 99
MERZ 100
HANSMANN 100

INNER OCULAR DISTANCE (IOD)

HANSMANN 84

HEAD CIRCUMFERENCE (HC)

KOREAN 101
HANSMANN 101
HADLOCK 102

Reference Manual 3

MERZ 103
CHITTY (D) 105
CHITTY (M) 106
CAMPBELL 108
ASUM (SCW) 108
CFEF 109
JOHNSEN 110
KURMANAVICIUS 111
NICOLAIDES 112

FETAL TRUNK CROSS-SECTIONAL AREA (FTA)

OSAKA 114

CLAVICLE (CLAV)

YARKONI 116

LENGTH OF VERTEBRAL (VERTEBRAL)

TOKYO 117

RADIUS LENGTH (RAD)

MERZ 118
JEANTY 118
HANSMANN 119

MIDDLE ABDOMINAL DIAMETER (MAD)

EIK-NESSH 119
JOHNSEN 121
KURMANAVICIUS 121

MID CEREBRAL ARTERY (MCA)-RESISTANCE INDEX (RI)

SHINOZUKA 122
JSUM 122
KURMANAVICIUS 123

MID CEREBRAL ARTERY (MCA)-PULSATILITY INDEX (PI)

SHINOZUKA 123
JSUM 124

UMBILICAL ARTERY (UMA)-RESISTANCE INDEX (RI)

SHINOZUKA 124
JSUM 125
KURMANAVICIUS 125

UMBILICAL ARTERY (UMA)-PULSATILITY INDEX (PI)

SHINOZUKA 126
JSUM 126

UTERINE ARTERY-RESISTANCE INDEX (RI)

KURMANAVICIUS 127
BAHLMANN 127

UTERINE ARTERY-PULSATILITY INDEX (PI)

BAHLMANN 128

ANTERIOR POSTERIOR ABDOMINAL DIAMETER (APD)

HANSMANN 128
BESSIS 128

TRANSVERSE ABDOMINAL DIAMETER (TAD)

CFEF 129

THORACIC CIRCUMFERENCE (THC)

CHITKARA 130

FIBULA LENGTH (FIB)

JEANTY 130
HANSMANN 131

Reference Manual 4

NUCHAL THICKNESS (NT)

YAGEL 131

LATERAL VENTRICULAR WIDTH (LT./RT. VA)

JOHNSON 132

HEMISPHERIC WIDTH (LT. HEM, RT. HEM)

JOHNSON 133

RENAL LENGTH (RENAL L)

HANSMANN 133

RENAL ANTERIOR-POSTERIOR LENGTH (RENAL AP)

HANSMANN 134

CISTERNA MAGNA DIAMETER (CM)

NICOLAIDES 134

AMNIOTIC FLUID INDEX (AFI)

MOORE 136

NASAL BONE LENGTH (NB)

SONEK 137

Fetal ratio reFerence 137

FEMUR LENGTH/FOOT LENGTH (FL/FOOT)

CAMPBELL 137

BPDO/OFDO (CEPHLIC INDEX)

HADLOCK 137

FEMUR LENGTH/ABDOMINAL CIRCUMFERENCE (FL/AC)

HADLOCK 137

FEMUR LENGTH/HEAD CIRCUMFERENCE (FL/HC)

HADLOCK 138

FEMUR LENGTH/BIPARIETAL DIAMETER (FL/BPD)

HOHLER 138

THORACIC CIRCUMFERENCE/ABDOMINAL
CIRCUMFERENCE (THC/AC)

CHITKARA 138

HEAD CIRCUMFERENCE (HC) / ABDOMINAL
CIRCUMFERENCE (AC)

CAMPBELL 139

LATERAL VENTRICULAR WIDTH (LV) / HEMISPHERIC
WIDTH (HW)

JOHNSON 139

estimated Fetal weiGht Formula 140

METHOD USING

BPD, AC 140
BPD, FL, FTA 140
BPD, APTD, TTD, FL 140
BPD, APTD, TTD, SL 140
BPD, TTD 141
AC, FL 141
BPD, AC, FL 141
HC, AC, FL 142
BPD, HC, AC, FL 142
AC 142
BPD, AC 143
AC, HC 143

Reference Manual 5

estimated Fetal weiGht Growth reFerence 143

ESTIMATE FETAL WEIGHT (EFW)

BRENNER 143
DOUBILET 144
OSAKA 144
HADLOCK 146
SHINOZUKA 147
JSUM 147
WILLIAMS 148
YARKONI (TWINS) 148
HANSMANN 149
JOHNSEN 149

estimate Fetal weiGht alGorithm 150

ESTIMATE FETAL WEIGHT (EFW)

CAMPBELL 150
HADLOCK 150
HADLOCK1 150
HADLOCK2 151
HADLOCK3 151
HADLOCK4 151
HANSMANN 152
MERZ 152
OSAKA 152
SHEPARD 153
SHINOZUKA1 153
SHINOZUKA2 153
SHINOZUKA3 153
FERRERO 153
HIGGINBOTTOM 154
THURNAU 154
WARSOF 154

WEINER1 154
WEINER2 154
WOO 154

PART 2. Cardiology Reference

CARDIOLOGY REFERENCE 155

cardioloGy 2d 155

BSA (Body Surface Area) 155
LV. Ventricle (2D) 155
LV Vol. d (LV Volume Diastolic) 155
LV Vol. s (LV Volume Systolic) 156
Stroke Volume (SV) 156
Stroke Volume Index (SI) 156
Cardiac Output (CO) 156
Cardiac Index (CI) 156
Ejection Fraction (EF) 156
Fraction Shortening (%FS) 156
LV Mass 156
LV Mass Index 156
LV Vol. (MOD, Method Of Disk) 157
LV Vol. (A/L) 157
LV Vol. (Bullet) 157
LV Mass 158
LA Vol. (Left Atrium Volume) 159
LVOT Area 159
RVOT Area 159
Mitral Valve (MV) Area 159
Tricuspid Valve (TV) Area 159
Aorta Diameter 160
Shunt 160

Reference Manual 6

cardioloGy m mode 160

Left Ventricle 160
LV Mass 161
LV Mass Index 161
Right Ventricle 161
MV (Mitral Valve) 161
Ao/LA 162
Area 162

cardioloGy c mode 163

AV Regurg (AR), MV Regurg (MR), TV Regurg (TR) 163

cardioloGy doppler 164

LVOT, RVOT, Aortic Valve, Mitral Valve, Tricuspid Valve, Pulmonic Valve 164
Pulmonic Veins, Hepatic Veins 166
Aortic Valve 167
Mitral Valve 167
Tricuspid Valve 167
Pulmonic Valve 167
QP : QS = Pulmonic CO / Sysemic CO 167
Velocity Circumferential Fiber Shortening (Circ / Sec) 167
Propagation Velocity (Vp) 167

UROLOGY REFERENCE 168

Resistivity Index 168
Pulsatility Index 168
S/D (ratio of Systolic to Diastolic Velocity) 168
D/S (ratio of Diastolic to Systolic Velocity) 168
Pressure Gradient 168
Volume Flow (Area) 168
Volume Flow (Dist.) 168
Prostate Vloume (3 Distances) 168
Prostate Vloume (3 Distances x Factor) 168
Prostate Vloume (Ellipsoid) 168
Prostate Vloume (Sum of 20 Disks) 169
Prostate Spec. Antigen 169
Residual Volume 169
%STA 169
%STD 169

FETAL HEART REFERENCE 169

Stroke Volume (SV) 169
Cardiac Output (CO) 169
Ejection Fraction (EF) 169
LV Vol. d (LV Volume Diastolic) 169
LV Vol. s (LV Volume Systolic) 170
LV Mass 170
Fractional Shortening of Left Ventricle Internal diameter 170
Resistivity Index 170
Pulsatility Index 170
S/D (ratio of Systolic to Diastolic Velocity) 170
D/S (ratio of Diastolic to Systolic Velocity) 170
Preload Index 170

Reference Manual 7

VASCULAR REFERENCE 171

carotid, ue artery, le artery, le Vein 171

Resistivity Index 171
Pulsatility Index 171
S/D (ratio of Systolic to Diastolic Velocity) 171
D/S (ratio of Diastolic to Systolic Velocity) 171
Pressure Gradient 171
%STA 171
%STD 171
Volume Flow (Area) 171
Volume Flow (Dist.) 171

GYNECOLOGY REFERENCE 172

Resistivity Index 172
Pulsatility Index 172
S/D (ratio of Systolic to Diastolic Velocity) 172
D/S (ratio of Diastolic to Systolic Velocity) 172
Pressure Gradient 172
%STA 172
%STD 172
Volume Flow (Area) 172
Volume Flow (Dist.) 172
Vol. 172
Follicle Vol. 172

ABDOMEN REFERENCE 173

Resistivity Index 173
Pulsatility Index 173
S/D (ratio of Systolic to Diastolic Velocity) 173
D/S (ratio of Diastolic to Systolic Velocity) 173
Pressure Gradient 173

%STA 173
%STD 173
Volume Flow (Area) 173
Volume Flow (Dist.) 173
Vol. 173
Vol. Index 173

SMALL PART REFERENCE 174

thyroid, breast, testis, superFicial 174

Resistivity Index 174
Pulsatility Index 174
S/D (ratio of Systolic to Diastolic Velocity) 174
D/S (ratio of Diastolic to Systolic Velocity) 174
Pressure Gradient 174
%STA 174
%STD 174
Volume Flow (Area) 174
Volume Flow (Dist.) 174
Vol. 174
Follicle Vol. 175
Mass Vol. 175

TCD REFERENCE 175

Resistivity Index 175
Pulsatility Index 175
S/D (ratio of Systolic to Diastolic Velocity) 175
D/S (ratio of Diastolic to Systolic Velocity) 175
Pressure Gradient 176
%STA 176
%STD 176
Volume Flow (Area) 176
Volume Flow (Dist.) 176

Reference Manual 8

PART 3. ACOUSTIC OUTPUT TABLES

ACOUSTIC OUTPUT TABLES 177

iec 60601-2-37 tables 177

Symbols and Denitions 177
Explanatory Notes 178
L4-7 179
L5-13IS 180
L5-13/50 182
L7-16IS 183
LA3-14A 185
LA3-16A 186
LA5-18B 188
LS6-15 189
C2-6IC 191
CA1-7A 192
CA2-8A 194
CF4-9 195
CV1-8A 197
SC1-6 198
EA2-11B 200
EC4-9IS 201
P2-4BA 203
V2-6 205
V4-8 206
V5-9 208
VR5-9 209
CW2.0 211
CW4.0 211
CW6.0 212
DP2B 212

Fda tables 213

Symbols and Denitions 213
Explanatory Notes 214
L4-7 215
L5-13IS 216
L5-13/50 218
L7-16IS 219
LA3-14A 221
LA3-16A 222
LA5-18B 224
LS6-15 225
C2-6IC 227
CA1-7A 228
CA2-8A 230
CF4-9 231
CV1-8A 233
SC1-6 234
EA2-11B 236
EC4-9IS 237
P2-4BA 239
V2-6 241
V4-8 242
V5-9 244
VR5-9 245
CW2.0 247
CW4.0 247
CW6.0 248
DP2B 248

patient-applied part temperature table 249

Reference Manual 9

OB Reference

Gestational Age and FetalGrowth Formula and Table List

Abdominal Circumference (AC): KOREAN

GA Table

Y.G Park. “The Standardization of Fetal body parts according to the normal Korean
Gestational Age in Ultrasound” Korean Ultrasound Institute, Vol. 14, No.2, 1995

GA = 7.403506 + 0.76191 × AC + 0.004492304 × AC

Output Unit: w (weeks)

Input Unit: cm

Min Range: 7.4 cm

Max Range: 35.4 cm

Fetal Growth Table

Y.G Park. “ The Standardization of Fetal body parts according to the normal Korean Gestational
Age in Ultrasound” Korean Ultrasound Institute, Vol. 14, No.2, 1995

AC = 135.54085 × MA – 5.9973 × MA

Output Unit: cm

Input Unit: w (week)

Min Range: 12 w

Max Range: 40 w

2

– 94.588168

2

Age (w) Meas (cm) ±SD (cm) Age (w) Meas (cm) ±SD (cm)

12 5.932 0.794 32 27.738 0.799

16 10.793 0.728 34 29.578 0.771

20 15.086 0.742 36 31.731 0.583

24 19.300 1.258 38 33.514 0.370

28 23.988 0.870 40 34.490 1.608

Abdominal Circumference (AC): HADLOCK

GA Table

Frank P. Hadlock, Russell L.Deter, Ronald B. Harrist, Seung K. Park,. “Estimating Fetal Age:
Computer-Assisted Analysis of Multiple Fetal Growth Parameters” Radiology, 1984; 152:
497-501.

GA = 8.14 + 0.753 × AC + 0.0036 × AC

Output Unit: w (weeks)

Input Unit: cm

Min Range: 4.83 cm

Max Range: 38.04 cm

Standard Deviation:

Min (w) Max (w) ±2SD Min (w) Max (w) ±2SD

12 18 1.66 30 36 2.96

18 24 2.06 36 42 3.04

24 30 2.18

2

Reference Manual 10

Fetal Growth Table

Frank P. Hadlock, Russell L.Deter, Ronald B. Harrist, Seung K. Park,. “Estimating Fetal Age:
Computer-Assisted Analysis of Multiple Fetal Growth Parameters” Radiology, 1984; 152:497­501

Graph = 1.61 × MA – 0.00998 × MA

Output Unit: cm

Input Unit: w (weeks)

Min Range: 12 w

Max Range: 40 w

Standard Deviation: 2SD = 2.68 cm

2

– 13.3

Abdominal Circumference (AC): HANSMANN

GA Table

Hansmann, Hackeloer, Staudach, Wittman “Ultrasound Diagnosis in Obstetrics and
Gynecology” Springer- Verlag, New York, 1986, p.431.

Meas (cm) Age (wd) Meas (cm) Age (wd) Meas (cm) Age (wd)

5.3 12w0d 15.5 22w0d 24.9 32w0d

6.3 13w0d 16.5 23w0d 25.8 33w0d

7.5 14w0d 17.3 24w0d 26.8 34w0d

8.5 15w0d 18.3 25w0d 27.7 35w0d

9.7 16w0d 19.1 26w0d 28.7 36w0d

10.7 17w0d 20.2 27w0d 29.6 37w0d

11.6 18w0d 21.1 28w0d 30.6 38w0d

12.6 19w0d 22.2 29w0d 31.5 39w0d

13.5 20w0d 23.0 30w0d 32.0 40w0d

14.5 21w0d 24.0 31w0d

Abdominal Circumference (AC): MERZ

GA Table

E. Merz, W. Goldhofer, E. Timor-Tritsch “Ultrasound in Gynecology and Obstetrics” Text book
and Atlas, 1991 Georg Thieme Verlag, 308-338

Meas (cm) Age (wd) 5% (wd) 95% (wd) Meas (cm) Age (wd) 5% (wd) 95% (wd)

5.6 12w1d 10w6d 13w2d 20.4 26w1d 24w3d 27w6d

5.8 12w2d 11w1d 13w4d 20.6 26w3d 24w4d 28w1d

6.0 12w4d 11w2d 13w5d 20.8 26w4d 24w6d 28w2d

6.2 12w5d 11w4d 13w6d 21.0 26w6d 25w0d 28w4d

6.4 12w6d 11w5d 14w1d 21.2 27w0d 25w1d 28w5d

6.6 13w1d 11w6d 14w2d 21.4 27w1d 25w2d 28w6d

6.8 13w2d 12w0d 14w4d 21.6 27w2d 25w4d 29w1d

7.0 13w4d 12w1d 14w5d 21.8 27w4d 25w5d 29w2d

7.2 13w4d 12w3d 14w6d 22.0 27w5d 25w6d 29w4d

7.4 13w6d 12w4d 15w1d 22.2 27w6d 26w1d 29w5d

7.6 14w0d 12w6d 15w2d 22.4 28w1d 26w2d 29w6d

7.8 14w1d 12w6d 15w4d 22.6 28w2d 26w3d 30w1d

8.0 14w3d 13w1d 15w5d 22.8 28w4d 26w4d 30w2d

8.2 14w4d 13w2d 15w6d 23.0 28w5d 26w6d 30w4d

8.4 14w6d 13w4d 16w1d 23.2 28w6d 27w0d 30w5d

8.6 15w0d 13w5d 16w2d 23.4 29w0d 27w1d 30w6d

8.8 15w1d 13w6d 16w4d 23.6 29w1d 27w3d 31w1d

9.0 15w3d 14w0d 16w5d 23.8 29w3d 27w4d 31w2d

9.2 15w4d 14w1d 16w6d 24.0 29w4d 27w5d 31w4d

9.4 15w5d 14w3d 17w1d 24.2 29w6d 27w6d 31w5d

Reference Manual 11

Meas (cm) Age (wd) 5% (wd) 95% (wd) Meas (cm) Age (wd) 5% (wd) 95% (wd)

9.6 15w6d 14w4d 17w2d 24.4 30w0d 28w1d 31w6d

9.8 16w1d 14w6d 17w4d 24.6 30w1d 28w2d 32w1d

10.0 16w2d 14w6d 17w5d 24.8 30w3d 28w3d 32w2d

10.2 16w4d 15w1d 17w6d 25.0 30w4d 28w4d 32w4d

10.4 16w5d 15w2d 18w1d 25.2 30w6d 28w6d 32w5d

10.6 16w6d 15w4d 18w2d 25.4 30w6d 29w0d 32w6d

10.8 17w1d 15w5d 18w3d 25.6 31w1d 29w1d 33w1d

11.0 17w2d 15w6d 18w4d 25.8 31w2d 29w3d 33w2d

11.2 17w3d 16w0d 18w6d 26.0 31w4d 29w4d 33w4d

11.4 17w4d 16w1d 19w0d 26.2 31w5d 29w5d 33w5d

11.6 17w6d 16w3d 19w1d 26.4 31w6d 29w6d 33w6d

11.8 18w0d 16w4d 19w3d 26.6 32w1d 30w1d 34w1d

12.0 18w1d 16w6d 19w4d 26.8 32w2d 30w2d 34w2d

12.2 18w3d 17w0d 19w6d 27.0 32w4d 30w4d 34w4d

12.4 18w4d 17w1d 20w0d 27.2 32w5d 30w4d 34w5d

12.6 18w6d 17w2d 20w1d 27.4 32w6d 30w6d 34w6d

12.8 19w0d 17w4d 20w3d 27.6 33w0d 31w0d 35w1d

13.0 19w1d 17w5d 20w4d 27.8 33w1d 31w1d 35w2d

13.2 19w2d 17w6d 20w6d 28.0 33w3d 31w3d 35w4d

13.4 19w4d 18w0d 21w0d 28.2 33w4d 31w4d 35w5d

13.6 19w5d 18w1d 21w1d 28.4 33w6d 31w5d 35w6d

13.8 19w6d 18w3d 21w3d 28.6 34w0d 31w6d 36w1d

14.0 20w1d 18w4d 21w4d 28.8 34w1d 32w1d 36w2d

14.2 20w2d 18w6d 21w6d 29.0 34w3d 32w2d 36w4d

14.4 20w4d 19w0d 22w0d 29.2 34w4d 32w4d 36w5d

Meas (cm) Age (wd) 5% (wd) 95% (wd) Meas (cm) Age (wd) 5% (wd) 95% (wd)

14.6 20w5d 19w1d 22w1d 29.4 34w5d 32w4d 36w6d

14.8 20w6d 19w2d 22w3d 29.6 34w6d 32w6d 37w1d

15.0 21w1d 19w4d 22w4d 29.8 35w1d 33w0d 37w1d

15.2 21w1d 19w5d 22w6d 30.0 35w2d 33w1d 37w3d

15.4 21w3d 19w6d 23w0d 30.2 35w4d 33w3d 37w4d

15.6 21w4d 20w1d 23w1d 30.4 35w5d 33w4d 37w6d

15.8 21w6d 20w1d 23w3d 30.6 35w6d 33w5d 38w0d

16.0 22w0d 20w3d 23w4d 30.8 36w1d 33w6d 38w1d

16.2 22w1d 20w4d 23w6d 31.0 36w2d 34w1d 38w3d

16.4 22w3d 20w6d 24w0d 31.2 36w4d 34w2d 38w4d

16.6 22w4d 21w0d 24w1d 31.4 36w4d 34w4d 38w6d

16.8 22w6d 21w1d 24w3d 31.6 36w6d 34w4d 39w0d

17.0 23w0d 21w2d 24w4d 31.8 37w0d 34w6d 39w1d

17.2 23w1d 21w4d 24w6d 32.0 37w1d 35w0d 39w3d

17.4 23w2d 21w5d 25w0d 32.2 37w3d 35w1d 39w4d

17.6 23w4d 21w6d 25w1d 32.4 37w4d 35w3d 39w6d

17.8 23w5d 22w1d 25w3d 32.6 37w6d 35w4d 40w0d

18.0 23w6d 22w1d 25w4d 32.8 38w0d 35w5d 40w1d

18.2 24w1d 22w3d 25w6d 33.0 38w1d 35w6d 40w3d

18.4 24w2d 22w4d 26w0d 33.2 38w3d 36w1d 40w4d

18.6 24w4d 22w6d 26w1d 33.4 38w4d 36w2d 40w6d

18.8 24w5d 23w0d 26w3d 33.6 38w5d 36w4d 41w0d

19.0 24w6d 23w1d 26w4d 33.8 38w6d 36w5d 41w1d

19.2 25w0d 23w2d 26w6d 34.0 39w1d 36w6d 41w3d

19.4 25w1d 23w4d 27w0d 34.2 39w2d 37w0d 41w4d

Reference Manual 12

Meas (cm) Age (wd) 5% (wd) 95% (wd) Meas (cm) Age (wd) 5% (wd) 95% (wd)

19.6 25w3d 23w5d 27w1d 34.4 39w4d 37w1d 41w6d

19.8 25w4d 23w6d 27w3d 34.6 39w5d 37w3d 42w0d

20.0 25w6d 24w1d 27w4d 34.8 39w6d 37w4d 42w1d

20.2 26w0d 24w2d 27w6d

Fetal Growth Table

E. Merz, W. Goldhofer, E. Timor-Tritsch “Ultrasound in Gynecology and Obstetrics” Textbook
and Atlas, 1991 Georg Thieme Verlag, 308-338

Age (w) Meas (cm) 5% (cm) 95% (cm) Age (w) Meas (cm) 5% (cm) 95% (cm)

12 5.8 4 7.6 27 21.2 18.7 23.8

13 6.8 5 8.7 28 22.3 19.7 24.8

14 7.9 6 9.8 29 23.3 20.7 25.9

15 8.9 6.9 10.9 30 24.3 21.7 27

16 9.9 7.9 11.9 31 25.3 22.7 28

17 11 8.9 13 32 26.4 23.7 29.1

18 12 9.9 14.1 33 27.4 24.6 30.2

19 13 10.8 15.2 34 28.4 25.6 31.2

20 14 11.8 16.2 35 29.5 26.6 32.3

21 15.1 12.8 17.3 36 30.5 27.6 33.4

22 16.1 13.8 18.4 37 31.5 28.6 34.4

23 17.1 14.8 19.5 38 32.5 29.6 35.5

24 18.2 15.8 20.5 39 33.6 30.6 36.5

25 19.2 16.7 21.6 40 34.6 31.6 37.6

26 20.2 17.7 22.7

Abdominal Circumference (AC): JEANTY

Fetal Growth Table

Jeanty, P., Cousaert, E., Cantraine, F., “Normal Growth of the Abdominal Perimeter” American
Journal of Perinatalogy, 1:129, 1984

Age (w) Meas (cm) 5% (cm) 95% (cm) Age (w) Meas (cm) 5% (cm) 95% (cm)

12 5.70 3.50 8.00 27 21.50 19.30 23.80

13 6.70 4.50 9.00 28 22.50 20.30 24.80

14 7.70 5.50 10.00 29 23.50 21.30 25.70

15 8.80 6.50 11.00 30 24.40 22.20 26.70

16 9.80 7.60 12.00 31 25.40 23.10 27.60

17 10.90 8.60 13.10 32 26.20 24.00 28.50

18 11.90 9.70 14.20 33 27.10 24.80 29.30

19 13.00 10.80 15.20 34 27.90 25.60 30.10

20 14.10 11.90 16.30 35 28.60 26.40 30.90

21 15.20 12.90 17.40 36 29.30 27.10 31.60

22 16.30 14.00 18.50 37 30.00 27.80 32.20

23 17.30 15.10 19.60 38 30.60 28.30 32.80

24 18.40 16.20 20.60 39 31.10 28.90 33.30

25 19.50 17.20 21.70 40 31.60 29.40 33.80

26 20.50 18.30 22.70

Reference Manual 13

Abdominal Circumference (AC): SHINOZUKA

GA Table

Norio Shinozuka, Takashi Okai, et al. “Standard Values of Ultrasonographic Fetal Biometry”
Japanese Journal of Medical Ultrasonics, Vol.23, No.12, 1996, pp877-888

Meas (cm) Age (wd) ±SD (wd) Meas (cm) Age (wd) ±SD (wd)

10.0 15w3d 1w1d 22.0 27w3d 1w5d

10.5 16w0d 1w1d 22.5 28w0d 1w5d

11.0 16w4d 1w1d 23.0 28w4d 1w5d

11.5 17w0d 1w1d 23.5 29w0d 1w5d

12.0 17w4d 1w2d 24.0 29w4d 1w6d

12.5 18w0d 1w2d 24.5 30w1d 1w6d

13.0 18w4d 1w2d 25.0 30w5d 1w6d

13.5 19w0d 1w2d 25.5 31w2d 1w6d

14.0 19w4d 1w2d 26.0 31w6d 1w6d

14.5 20w0d 1w2d 26.5 32w3d 1w6d

15.0 20w3d 1w3d 27.0 33w1d 1w6d

15.5 21w0d 1w3d 27.5 33w5d 2w0d

16.0 21w3d 1w3d 28.0 34w2d 2w0d

16.5 22w0d 1w3d 28.5 35w0d 2w0d

17.0 22w3d 1w3d 29.0 35w4d 2w0d

17.5 22w6d 1w3d 29.5 36w2d 2w0d

18.0 23w3d 1w4d 30.0 37w0d 2w0d

18.5 23w6d 1w4d 30.5 37w5d 2w0d

19.0 24w3d 1w4d 31.0 38w2d 2w1d

Meas (cm) Age (wd) ±SD (wd) Meas (cm) Age (wd) ±SD (wd)

19.5 24w6d 1w4d 31.5 39w0d 2w1d

20.0 25w3d 1w4d 32.0 39w6d 2w1d

20.5 25w6d 1w4d 32.5 40w4d 2w1d

21.0 26w3d 1w5d 33.0 41w2d 2w1d

21.5 27w0d 1w5d

Fetal Growth Table

Norio Shinozuka, Takashi Okai, et al. “Standard Values of Ultrasonographic Fetal Biometry”
Japanese Journal of Medical Ultrasonics, Vol.23, No.12, 1996, pp877-888

Age (wd) Meas (cm) -1.5SD (cm) +1.5SD (cm) Age (wd) Meas (cm) -1.5SD (cm) +1.5SD (cm)

16w3d 10.90 9.50 12.40 30w3d 24.70 22.20 27.10

17w3d 12.00 10.40 13.50 31w3d 25.60 23.00 28.10

18w3d 13.00 11.40 14.60 32w3d 26.50 23.80 29.00

19w3d 14.00 12.30 15.70 33w3d 27.30 24.50 29.90

20w3d 15.10 13.30 16.80 34w3d 28.10 25.30 30.70

21w3d 16.10 14.20 17.80 35w3d 28.90 26.00 31.60

22w3d 17.10 15.10 18.90 36w3d 29.70 26.60 32.40

23w3d 18.10 16.10 20.00 37w3d 30.40 27.30 33.20

24w3d 19.10 17.00 21.10 38w3d 31.10 27.90 34.00

25w3d 20.10 17.90 22.10 39w3d 31.80 28.50 34.70

26w3d 21.00 18.80 23.10 40w3d 32.40 29.10 35.40

27w3d 22.00 19.70 24.20 41w3d 33.00 29.60 36.10

28w3d 22.90 20.50 25.20 42w3d 33.60 30.10 36.70

29w3d 23.80 21.40 26.10

Reference Manual 14

Abdominal Circumference (AC): JSUM

GA Table

Norio Shinozuka, Takashi Okai, et al. “Standard Values of Ultrasonographic Fetal Biometry”
Journal of Medical Ultrasonics, Vol.30, No.3, pp. 416-440, 2003

Meas (cm) Age (wd) ±SD (wd) Meas (cm) Age (wd) ±SD (wd)

10.0 15w3d 1w1d 22.0 27w3d 1w5d

10.5 16w0d 1w1d 22.5 28w0d 1w5d

11.0 16w4d 1w1d 23.0 28w4d 1w5d

11.5 17w0d 1w1d 23.5 29w0d 1w5d

12.0 17w4d 1w2d 24.0 29w4d 1w6d

12.5 18w0d 1w2d 24.5 30w1d 1w6d

13.0 18w4d 1w2d 25.0 30w5d 1w6d

13.5 19w0d 1w2d 25.5 31w2d 1w6d

14.0 19w4d 1w2d 26.0 31w6d 1w6d

14.5 20w0d 1w2d 26.5 32w3d 1w6d

15.0 20w3d 1w3d 27.0 33w1d 1w6d

15.5 21w0d 1w3d 27.5 33w5d 2w0d

16.0 21w3d 1w3d 28.0 34w2d 2w0d

16.5 22w0d 1w3d 28.5 35w0d 2w0d

17.0 22w3d 1w3d 29.0 35w4d 2w0d

17.5 22w6d 1w3d 29.5 36w2d 2w0d

18.0 23w3d 1w4d 30.0 37w0d 2w0d

18.5 23w6d 1w4d 30.5 37w5d 2w0d

19.0 24w3d 1w4d 31.0 38w2d 2w1d

Meas (cm) Age (wd) ±SD (wd) Meas (cm) Age (wd) ±SD (wd)

19.5 24w6d 1w4d 31.5 39w0d 2w1d

20.0 25w3d 1w4d 32.0 39w6d 2w1d

20.5 25w6d 1w4d 32.5 40w4d 2w1d

21.0 26w3d 1w5d 33.0 41w2d 2w1d

21.5 27w0d 1w5d

Fetal Growth Table

Norio Shinozuka, Takashi Okai, et al. "Standard Values of Ultrasonographic Fetal Biometry"
Journal of Medical Ultrasonics, Vol.30, No.3, pp. 416-440, 2003

Age (wd) Meas (cm) -1.5SD (cm) +1.5SD (cm) Age (wd) Meas (cm) -1.5SD (cm) +1.5SD (cm)

16w3d 10.90 9.50 12.40 30w3d 24.70 22.20 27.10

17w3d 12.00 10.40 13.50 31w3d 25.60 23.00 28.10

18w3d 13.00 11.40 14.60 32w3d 26.50 23.80 29.00

19w3d 14.00 12.30 15.70 33w3d 27.30 24.50 29.90

20w3d 15.10 13.30 16.80 34w3d 28.10 25.30 30.70

21w3d 16.10 14.20 17.80 35w3d 28.90 26.00 31.60

22w3d 17.10 15.10 18.90 36w3d 29.70 26.60 32.40

23w3d 18.10 16.10 20.00 37w3d 30.40 27.30 33.20

24w3d 19.10 17.00 21.10 38w3d 31.10 27.90 34.00

25w3d 20.10 17.90 22.10 39w3d 31.80 28.50 34.70

26w3d 21.00 18.80 23.10 40w3d 32.40 29.10 35.40

27w3d 22.00 19.70 24.20 41w3d 33.00 29.60 36.10

28w3d 22.90 20.50 25.20 42w3d 33.60 30.10 36.70

29w3d 23.80 21.40 26.10

Reference Manual 15

Abdominal Circumference (AC): CHITTY (D)

Fetal Growth Table

L.S. Chitty, D.G. Altman, S. Campbell, “Charts of Fetal Size: 3. Abdominal Measurement”
British Journal of Obstetrics and Gynaecology, February 1994. Vol 101. pp125-131

Age (w) Meas (cm) 10% (cm) 90% (cm) Age (w) Meas (cm) 10% (cm) 90% (cm)

12 5.58 5.05 6.11 28 23.06 21.29 24.82

13 6.74 6.13 7.34 29 24.05 22.22 25.89

14 7.89 7.2 8.57 30 25.04 23.12 26.96

15 9.03 8.27 9.79 31 26.01 24.02 28.01

16 10.16 9.33 11 32 26.97 24.9 29.04

17 11.29 10.38 12.21 33 27.91 25.76 30.06

18 12.41 11.42 13.4 34 28.84 26.61 31.06

19 13.52 12.45 14.59 35 29.75 27.44 32.05

20 14.62 13.48 15.77 36 30.64 28.26 33.02

21 15.71 14.49 16.94 37 31.51 29.06 33.97

22 16.8 15.5 18.1 38 32.37 29.84 34.91

23 17.87 16.49 19.25 39 33.21 30.6 35.82

24 18.93 17.48 20.38 40 34.04 31.35 36.72

25 19.98 18.45 21.51 41 34.84 32.08 37.6

26 21.02 19.41 22.63 42 35.62 32.78 38.46

27 22.04 20.36 23.73

Abdominal Circumference (AC): CHITTY (M)

Fetal Growth Table

L.S. Chitty, D.G. Altman, S. Campbell, “Charts of Fetal Size: 3. Abdominal Measurement”
British Journal of Obstetrics and Gynaecology, February 1994. Vol 101. pp125-131

Age (w) Meas (cm) 10% (cm) 90% (cm) Age (w) Meas (cm) 10% (cm) 90% (cm)

12 5.89 5.13 6.66 28 23.91 22.21 25.61

13 7.09 6.26 7.91 29 24.94 23.18 26.7

14 8.27 7.39 9.15 30 25.96 24.14 27.78

15 9.45 8.5 10.39 31 26.96 25.08 28.84

16 10.62 9.62 11.62 32 27.95 26.01 29.89

17 11.78 10.72 12.84 33 28.92 26.93 30.92

18 12.93 11.82 14.05 34 29.88 27.82 31.93

19 14.08 12.9 15.25 35 30.82 28.7 32.93

20 15.21 13.98 16.45 36 31.74 29.57 33.91

21 16.34 15.05 17.63 37 32.64 30.41 34.88

22 17.46 16.1 18.81 38 33.53 31.24 35.82

23 18.56 17.15 19.97 39 34.4 32.05 36.75

24 19.66 18.19 21.12 40 35.25 32.84 37.66

25 20.74 19.21 22.27 41 36.08 33.62 38.54

26 21.81 20.22 23.39 42 36.89 34.37 39.41

27 22.87 21.22 24.51

Reference Manual 16

Abdominal Circumference (AC): CAMPBELL

GA Table

Professor Campbell’s Group at Harris birthright Centre, King’s College Hospital

Meas (cm) Age (wd) ±days (wd) Meas (cm) Age (wd) ±days (wd)

9.00 14w0d 02w0d 24.20 28w0d 02w6d

10.10 15w0d 02w1d 25.30 29w0d 02w6d

11.20 16w0d 02w1d 26.40 30w0d 03w0d

12.30 17w0d 02w1d 27.50 31w0d 03w1d

13.40 18w0d 02w1d 28.60 32w0d 03w1d

14.50 19w0d 02w1d 29.70 33w0d 03w4d

15.60 20w0d 02w2d 30.80 34w0d 04w0d

16.70 21w0d 02w2d 31.70 35w0d 04w2d

17.80 22w0d 02w2d 32.50 36w0d 04w2d

18.80 23w0d 02w3d 33.10 37w0d 04w2d

19.90 24w0d 02w4d 33.80 38w0d 04w2d

21.00 25w0d 02w5d 34.40 39w0d 0w0d

22.10 26w0d 02w5d 35.00 40w0d 0w0d

23.10 27w0d 02w6d

Abdominal Circumference (AC): ASUM(SCW)

GA Table

Australasian Society for Ultrasound in Medicine.

Policies and Statements – [D7] Statement On Normal Ultrasonic Fetal Measurements
(Revised May 2001)

GA = 0.0000367 × (AC x 10)

Output Unit: w(weeks)

Input Unit: cm

Min Range: 4.74 cm

Max Range: 37.29 cm

Fetal Growth Table

Australasian Society for Ultrasound in Medicine

Policies and Statements – [D7] Statement On Normal Ultrasonic Fetal Measurements
(Revised May 2001)

Age (w) Meas (cm) ±2SD (cm) Age (w) Meas (cm) ±2SD (mm)

11 5.2 1.0 27 23.0 2.5

12 6.3 1.0 28 24.2 2.5

13 7.4 1.0 29 25.9 2.5

14 8.4 1.0 30 26.2 2.5

15 9.6 1.0 31 27.2 3.0

16 10.6 1.0 32 28.3 3.0

17 12.0 1.5 33 29.4 3.0

18 13.1 1.5 34 30.5 3.0

19 14.0 1.5 35 31.5 3.0

2

+ 0.07715 × (AC × 10) + 7.192

Reference Manual 17

Age (w) Meas (cm) ±2SD (cm) Age (w) Meas (cm) ±2SD (mm)

20 15.1 1.5 36 32.5 3.5

21 16.4 2.0 37 33.3 3.5

22 17.6 2.0 38 34.2 3.5

23 18.6 2.0 39 35.6 3.5

24 20.1 2.0 40 36.2 3.5

25 21.2 2.0 41 36.7 3.5

26 22.3 2.5

Abdominal Circumference (AC): CFEF

GA Table

J.Créquat, M. Duyme, G. Brodaty.

Biométrie 2000. Tables de croissance foetale par le Collège Français d’Echographie Foetale
(CFEF) et l’Inserm U155

Gynecol Obstet Fertil, 2000 Jun;28(6): 435-45

Meas (cm) Age (w) Meas (cm) Age (w) Meas (cm) Age (w)

9.50 15 19.40 24 28.12 33

10.64 16 20.44 25 29.02 34

11.80 17 21.45 26 29.88 35

12.92 18 22.45 27 30.74 36

14.04 19 23.44 28 31.60 37

15.14 20 24.40 29 32.47 38

16.23 21 25.36 30 33.24 39

17.30 22 26.30 31 33.90 40

18.36 23 27.22 32

Fetal Growth Table

J.Créquat, M. Duyme, G. Brodaty

Biométrie 2000. Tables de croissance foetale par le Collège Français d’Echographie Foetale
(CFEF) et l’Inserm U155

Gynecol Obstet Fertil 2000 Jun;28(6): 435-45

Age (w) Meas (cm) 10% (cm) 90% (cm) Age (w) Meas (cm) 10% (cm) 90% (cm)

15 9.50 8.50 10.40 28 23.40 21.50 25.40

16 10.60 9.60 11.70 29 24.40 22.40 26.40

17 11.80 10.70 12.90 30 25.40 23.30 27.40

18 12.90 11.70 14.10 31 26.30 24.20 28.40

19 14.00 12.80 15.30 32 27.20 25.00 29.40

20 15.10 13.80 16.50 33 28.10 25.80 30.40

21 16.20 14.80 17.60 34 29.00 26.70 31.40

22 17.30 15.80 18.80 35 29.90 27.50 32.30

23 18.40 16.80 19.90 36 30.70 28.30 33.30

24 19.40 17.80 21.00 37 31.60 29.00 34.20

25 20.40 18.70 22.10 38 32.50 29.80 35.10

26 21.50 19.70 23.20 39 33.20 30.50 36.00

27 22.50 20.60 24.30 40 33.90 31.10 36.70

Reference Manual 18

Abdominal Circumference (AC): JOHNSEN

Fetal Growth Table

Johnsen SL, Wilsgaard T, Rasmussen S, Sollien R, Kiserud T. “Longitudinal reference charts for
growth of the fetal head, abdomen and femur” Eur J Obstet Gynecol Reprod Biol, 2006 Aug;
127(2): 172-85

Age (w) Meas (cm) 10% (cm) 90% (cm) Age (w) Meas (cm) 10% (cm) 90% (cm)

10 3.70 3.10 4.40 26 21.90 20.30 23.60

11 4.70 4.10 5.50 27 23.00 21.30 24.80

12 5.80 5.10 6.70 28 24.00 22.30 25.90

13 6.90 6.10 7.90 29 25.10 23.30 27.00

14 8.10 7.20 9.10 30 26.10 24.30 28.10

15 9.30 8.30 10.30 31 27.20 25.20 29.20

16 10.40 9.40 11.60 32 28.20 26.20 30.30

17 11.60 10.50 12.80 33 29.20 27.10 31.40

18 12.80 11.60 14.10 34 30.20 28.00 32.50

19 14.00 12.80 15.30 35 31.20 29.00 33.50

20 15.10 13.90 16.50 36 32.10 29.90 34.60

21 16.30 15.00 17.70 37 33.10 30.80 35.60

22 17.40 16.00 18.90 38 34.10 31.60 36.70

23 18.60 17.10 20.10 39 35.00 32.50 37.70

24 19.70 18.20 21.30 40 36.00 33.40 38.70

25 20.80 19.20 22.50 41 36.80 34.10 39.60

Abdominal Circumference (AC): KURMANAVICIUS

Fetal Growth Table

Kurmanavicius J, Wright EM, Royston P, Zimmermann R, Huch R, Huch A, Wisser J. “Fetal
ultrasound biometry: 2. Abdomen and femur length reference values” Br J Obstet Gynaecol,
1999 Feb;106(2): 136-43

Age (w) Meas (cm) 5% (cm) 95% (cm) Age (w) Meas (cm) 5% (cm) 95% (cm)

12 5.66 4.53 6.79 28 23.18 20.80 25.56

13 6.82 5.61 8.03 29 24.17 21.71 26.63

14 7.98 6.69 9.27 30 25.15 22.61 27.69

15 9.13 7.76 10.50 31 26.11 23.50 28.73

16 10.27 8.83 11.72 32 27.06 24.36 29.76

17 11.40 9.88 12.93 33 27.99 25.22 30.77

18 12.53 10.93 14.13 34 28.90 26.05 31.76

19 13.64 11.97 15.32 35 29.80 26.87 32.73

20 14.75 12.99 16.51 36 30.68 27.67 33.69

21 15.85 14.01 17.68 37 31.54 28.45 34.62

22 16.93 15.02 18.84 38 32.38 29.21 35.54

23 18.00 16.01 20.00 39 33.20 29.95 36.44

24 19.06 16.99 21.13 40 34.00 30.68 37.32

25 20.11 17.96 22.26 41 34.78 31.38 38.18

26 21.15 18.92 23.37 42 35.53 32.06 39.01

27 22.17 19.87 24.48

Reference Manual 19

Abdominal Circumference (AC): NICOLAIDES

Fetal Growth Table

Snijders RJ, Nicolaides KH. “Fetal biometry at 14-40 weeks’ gestation” Ultrasound in obstetrics
and Gynecology, 1994 Jan 1;4(1): 34-48

Age (wd) Meas (cm) 5% (cm) 95% (cm) Age (wd) Meas (cm) 5% (cm) 95% (cm)

14w0d 9.00 8.00 10.20 27w0d 23.10 20.50 25.90

14w1d 9.00 8.00 10.20 27w1d 23.10 20.50 25.90

14w2d 9.00 8.00 10.20 27w2d 23.10 20.50 25.90

14w3d 9.00 8.00 10.20 27w3d 23.10 20.50 25.90

14w4d 9.00 8.00 10.20 27w4d 23.10 20.50 25.90

14w5d 9.00 8.00 10.20 27w5d 23.10 20.50 25.90

14w6d 9.00 8.00 10.20 27w6d 23.10 20.50 25.90

15w0d 9.90 8.80 11.20 28w0d 24.30 21.60 27.20

15w1d 9.90 8.80 11.20 28w1d 24.30 21.60 27.20

15w2d 9.90 8.80 11.20 28w2d 24.30 21.60 27.20

15w3d 9.90 8.80 11.20 28w3d 24.30 21.60 27.20

15w4d 9.90 8.80 11.20 28w4d 24.30 21.60 27.20

15w5d 9.90 8.80 11.20 28w5d 24.30 21.60 27.20

15w6d 9.90 8.80 11.20 28w6d 24.30 21.60 27.20

16w0d 10.80 9.60 12.20 29w0d 25.40 22.60 28.50

16w1d 10.80 9.60 12.20 29w1d 25.40 22.60 28.50

16w2d 10.80 9.60 12.20 29w2d 25.40 22.60 28.50

16w3d 10.80 9.60 12.20 29w3d 25.40 22.60 28.50

16w4d 10.80 9.60 12.20 29w4d 25.40 22.60 28.50

Age (wd) Meas (cm) 5% (cm) 95% (cm) Age (wd) Meas (cm) 5% (cm) 95% (cm)

16w5d 10.80 9.60 12.20 29w5d 25.40 22.60 28.50

16w6d 10.80 9.60 12.20 29w6d 25.40 22.60 28.50

17w0d 11.80 10.50 13.30 30w0d 26.60 23.70 29.80

17w1d 11.80 10.50 13.30 30w1d 26.60 23.70 29.80

17w2d 11.80 10.50 13.30 30w2d 26.60 23.70 29.80

17w3d 11.80 10.50 13.30 30w3d 26.60 23.70 29.80

17w4d 11.80 10.50 13.30 30w4d 26.60 23.70 29.80

17w5d 11.80 10.50 13.30 30w5d 26.60 23.70 29.80

17w6d 11.80 10.50 13.30 30w6d 26.60 23.70 29.80

18w0d 12.80 11.40 14.40 31w0d 27.70 24.60 31.00

18w1d 12.80 11.40 14.40 31w1d 27.70 24.60 31.00

18w2d 12.80 11.40 14.40 31w2d 27.70 24.60 31.00

18w3d 12.80 11.40 14.40 31w3d 27.70 24.60 31.00

18w4d 12.80 11.40 14.40 31w4d 27.70 24.60 31.00

18w5d 12.80 11.40 14.40 31w5d 27.70 24.60 31.00

18w6d 12.80 11.40 14.40 31w6d 27.70 24.60 31.00

19w0d 13.90 12.30 15.60 32w0d 28.70 25.60 32.20

19w1d 13.90 12.30 15.60 32w1d 28.70 25.60 32.20

19w2d 13.90 12.30 15.60 32w2d 28.70 25.60 32.20

19w3d 13.90 12.30 15.60 32w3d 28.70 25.60 32.20

19w4d 13.90 12.30 15.60 32w4d 28.70 25.60 32.20

19w5d 13.90 12.30 15.60 32w5d 28.70 25.60 32.20

19w6d 13.90 12.30 15.60 32w6d 28.70 25.60 32.20

20w0d 14.90 13.30 16.80 33w0d 29.70 26.50 33.40

Reference Manual 20

Age (wd) Meas (cm) 5% (cm) 95% (cm) Age (wd) Meas (cm) 5% (cm) 95% (cm)

20w1d 14.90 13.30 16.80 33w1d 29.70 26.50 33.40

20w2d 14.90 13.30 16.80 33w2d 29.70 26.50 33.40

20w3d 14.90 13.30 16.80 33w3d 29.70 26.50 33.40

20w4d 14.90 13.30 16.80 33w4d 29.70 26.50 33.40

20w5d 14.90 13.30 16.80 33w5d 29.70 26.50 33.40

20w6d 14.90 13.30 16.80 33w6d 29.70 26.50 33.40

21w0d 16.10 14.30 18.10 34w0d 30.70 27.40 34.50

21w1d 16.10 14.30 18.10 34w1d 30.70 27.40 34.50

21w2d 16.10 14.30 18.10 34w2d 30.70 27.40 34.50

21w3d 16.10 14.30 18.10 34w3d 30.70 27.40 34.50

21w4d 16.10 14.30 18.10 34w4d 30.70 27.40 34.50

21w5d 16.10 14.30 18.10 34w5d 30.70 27.40 34.50

21w6d 16.10 14.30 18.10 34w6d 30.70 27.40 34.50

22w0d 17.20 15.30 19.30 35w0d 31.60 28.20 35.50

22w1d 17.20 15.30 19.30 35w1d 31.60 28.20 35.50

22w2d 17.20 15.30 19.30 35w2d 31.60 28.20 35.50

22w3d 17.20 15.30 19.30 35w3d 31.60 28.20 35.50

22w4d 17.20 15.30 19.30 35w4d 31.60 28.20 35.50

22w5d 17.20 15.30 19.30 35w5d 31.60 28.20 35.50

22w6d 17.20 15.30 19.30 35w6d 31.60 28.20 35.50

23w0d 18.30 16.30 20.60 36w0d 32.40 28.90 36.40

23w1d 18.30 16.30 20.60 36w1d 32.40 28.90 36.40

23w2d 18.30 16.30 20.60 36w2d 32.40 28.90 36.40

23w3d 18.30 16.30 20.60 36w3d 32.40 28.90 36.40

Age (wd) Meas (cm) 5% (cm) 95% (cm) Age (wd) Meas (cm) 5% (cm) 95% (cm)

23w4d 18.30 16.30 20.60 36w4d 32.40 28.90 36.40

23w5d 18.30 16.30 20.60 36w5d 32.40 28.90 36.40

23w6d 18.30 16.30 20.60 36w6d 32.40 28.90 36.40

24w0d 19.50 17.40 21.90 37w0d 33.20 29.50 37.20

24w1d 19.50 17.40 21.90 37w1d 33.20 29.50 37.20

24w2d 19.50 17.40 21.90 37w2d 33.20 29.50 37.20

24w3d 19.50 17.40 21.90 37w3d 33.20 29.50 37.20

24w4d 19.50 17.40 21.90 37w4d 33.20 29.50 37.20

24w5d 19.50 17.40 21.90 37w5d 33.20 29.50 37.20

24w6d 19.50 17.40 21.90 37w6d 33.20 29.50 37.20

25w0d 20.70 18.40 23.30 38w0d 33.90 30.20 38.00

25w1d 20.70 18.40 23.30 38w1d 33.90 30.20 38.00

25w2d 20.70 18.40 23.30 38w2d 33.90 30.20 38.00

25w3d 20.70 18.40 23.30 38w3d 33.90 30.20 38.00

25w4d 20.70 18.40 23.30 38w4d 33.90 30.20 38.00

25w5d 20.70 18.40 23.30 38w5d 33.90 30.20 38.00

25w6d 20.70 18.40 23.30 38w6d 33.90 30.20 38.00

26w0d 21.90 19.50 24.60 39w0d 34.50 30.70 38.70

26w1d 21.90 19.50 24.60 39w1d 34.50 30.70 38.70

26w2d 21.90 19.50 24.60 39w2d 34.50 30.70 38.70

26w3d 21.90 19.50 24.60 39w3d 34.50 30.70 38.70

26w4d 21.90 19.50 24.60 39w4d 34.50 30.70 38.70

26w5d 21.90 19.50 24.60 39w5d 34.50 30.70 38.70

26w6d 21.90 19.50 24.60 39w6d 34.50 30.70 38.70

Reference Manual 21

Biparietal Diameter (BPD): KOREAN

GA Table

Y.G Park. “ The Standardization of Fetal body parts according to the normal Korean Gestational
Age in Ultrasound” Korean Ultrasound Institute, Vol. 14, No.2, 1995

GA = 1.20007 × BPD + 0.2076 × BPD

Output Unit: w (weeks)

Input Unit: cm

Min Range: 1.9 cm

Max Range: 9.4 cm

Fetal Growth Table

Y.G Park.“ The Standardization of Fetal body parts according to the normal Korean Gestational
Age in Ultrasound” Korean Ultrasound Institute, Vol. 14, No.2, 1995

BPD = 51.06104 × MA – 4.6719 × MA

Output Unit: cm

Input Unit: w (week)

Min Range: 12 w

Max Range: 40 w

Age (w) Meas (cm) ±SD (cm) Age (w) Meas (cm) ±SD (cm)

12 1.970 0.219 32 8.122 0.263

16 3.483 0.213 34 8.496 0.244

20 4.783 0.231 36 8.849 0.225

24 5.978 0.287 38 9.093 0.121

28 7.164 0.256 40 9.401 0.188

2

+ 9.209216

2

– 35.053334

Biparietal Diameter (BPD): HANSMANN

GA Table

Hansmann, Hackeloer, Staudach, Wittman. “Ultrasound Diagnosis in Obsterics and
Gynecology.” Springer-Verlag, New York, 1986, p.440-441.

Meas (cm) Age (wd) 5% (wd) 95% (wd) Meas (cm) Age (wd) 5% (wd) 95% (wd)

2.9 13w3d 12w2d 14w3d 6.8 25w6d 24w3d 27w2d

3.0 13w5d 12w5d 14w5d 6.9 26w1d 24w6d 27w4d

3.1 14w0d 12w6d 15w1d 7.0 26w3d 25w0d 27w6d

3.2 14w2d 13w2d 15w3d 7.1 26w5d 25w2d 28w3d

3.3 14w4d 13w3d 15w6d 7.2 27w1d 25w4d 28w4d

3.4 15w0d 13w5d 16w2d 7.3 27w3d 26w0d 29w2d

3.5 15w2d 14w1d 16w3d 7.4 27w6d 26w1d 29w4d

3.6 15w4d 14w3d 16w6d 7.5 28w1d 26w3d 29w6d

3.7 16w0d 14w6d 17w1d 7.6 28w4d 26w5d 30w2d

3.8 16w2d 15w0d 17w4d 7.7 28w6d 27w1d 30w5d

3.9 16w4d 15w3d 17w6d 7.8 29w2d 27w2d 31w3d

4.0 17w0d 15w5d 18w1d 7.9 29w5d 27w3d 32w0d

4.1 17w2d 16w0d 18w4d 8.0 30w0d 27w6d 32w1d

4.2 17w4d 16w3d 18w6d 8.1 30w3d 28w2d 32w4d

4.3 17w6d 16w4d 19w1d 8.2 31w0d 28w6d 33w1d

4.4 18w1d 16w6d 19w3d 8.3 31w2d 29w0d 33w5d

4.5 18w4d 17w2d 19w6d 8.4 31w6d 29w3d 34w2d

4.6 18w6d 17w4d 20w1d 8.5 32w2d 29w6d 34w4d

4.7 19w1d 17w6d 20w4d 8.6 32w5d 30w1d 35w1d

4.8 19w3d 18w0d 20w6d 8.7 33w2d 30w2d 36w1d

Reference Manual 22

Meas (cm) Age (wd) 5% (wd) 95% (wd) Meas (cm) Age (wd) 5% (wd) 95% (wd)

4.9 19w5d 18w1d 21w1d 8.8 33w5d 31w0d 36w3d

5.0 20w0d 18w4d 21w1d 8.9 34w2d 31w4d 37w0d

5.1 20w3d 19w0d 21w6d 9.0 34w5d 32w0d 37w3d

5.2 20w5d 19w2d 22w1d 9.1 35w1d 32w1d 38w5d

5.3 21w0d 19w3d 22w4d 9.2 35w6d 33w2d 39w2d

5.4 21w3d 20w0d 22w6d 9.3 36w5d 33w5d 39w5d

5.5 21w5d 20w2d 23w0d 9.4 37w3d 34w5d 40w1d

5.6 22w0d 20w5d 23w2d 9.5 38w3d 35w2d 41w0d

5.7 22w2d 21w0d 23w4d 9.6 38w6d 35w2d 41w3d

5.8 22w5d 21w3d 23w6d 9.7 39w0d 35w6d 42w0d

5.9 23w0d 21w4d 24w3d 9.8 39w2d 36w3d 42w0d

6.0 23w2d 21w6d 24w4d 9.9 39w3d 36w4d 42w4d

6.1 23w4d 22w1d 25w0d 10.0 39w4d 36w5d 42w2d

6.2 24w0d 22w4d 25w3d 10.1 39w5d 37w1d 42w4d

6.3 24w2d 22w6d 25w4d 10.2 39w6d 37w1d 42w2d

6.4 24w4d 23w1d 26w0d 10.3 40w0d 37w2d 42w2d

6.5 24w6d 23w4d 26w2d 10.4 40w1d 37w3d 42w2d

6.6 25w1d 23w6d 26w5d 10.5 40w2d 37w6d 42w2d

6.7 25w3d 24w1d 27w1d

Fetal Growth Table

Hansmann, Hackeloer, Stauch, Wittman “Ultrasound Diagnosis in Obsterics and Gynecology”
Springer-Verlag, New York, 1986. p.176

Age (w) Meas (cm) 5% (cm) 95% (cm) Age (w) Meas (cm) 5% (cm) 95% (cm)

10 1.4 0.9 1.8 26 6.7 6.2 7.1

11 1.7 1.3 2.2 27 7 6.5 7.4

12 2.1 1.6 2.5 28 7.2 6.8 7.7

13 2.4 2 2.9 29 7.5 7 7.9

14 2.8 2.3 3.2 30 7.7 7.3 8.2

15 3.1 2.7 3.6 31 7.9 7.5 8.4

16 3.5 3 3.9 32 8.2 7.7 8.6

17 3.8 3.4 4.3 33 8.4 7.9 8.8

18 4.2 3.7 4.6 34 8.6 8.1 9

19 4.5 4 4.9 35 8.7 8.3 9.2

20 4.8 4.4 5.3 36 8.9 8.4 9.3

21 5.1 4.7 5.6 37 9 8.6 9.5

22 5.5 5 5.9 38 9.1 8.7 9.6

23 5.8 5.3 6.2 39 9.3 8.8 9.7

24 6.1 5.6 6.5 40 9.3 8.9 9.8

25 6.4 5.9 6.8

Reference Manual 23

Biparietal Diameter (BPD): HADLOCK

GA Table

Hadlock, F., Deter, R.L., Harrist, R.B., Park, S.K. “Estimating Fetal Age: Computer-Assisted
Analysis of Multiple Fetal Growth Parameters” Radiology, 1984, 152: 497-501.

GA = 9.54 + 1.482 × BPD + 0.1676 × BPD

Output Unit: w (weeks)

Input Unit: cm

Min Range: 1.36 cm

Max Range: 10.18 cm

Standard Deviation:

Min Range (w) Max Range (w) ±2SD (w)

12 18 1.19

18 24 1.73

24 30 2.18

30 36 3.08

36 42 3.20

Fetal Growth Table

Frank P. Hadlock, Russell L.Deter, Ronald B. Harrist, Seung K. Park,. “Estimating Fetal Age:
Computer-Assisted Analysis of Multiple Fetal Growth Parameters” Radiology, 1984; 152:497-

501.

Equation = 0.41 × MA – 0.000061 × MA

Output Unit: cm

Input Unit: w (weeks)

Min Range: 12 w

Max Range: 40 w

Standard Deviation: 2SD = 0.6 cm

2

3

– 3.08

Biparietal Diameter (BPD): MERZ

GA Table

E. Merz, W. Goldhofer, E. Timor-Tritsch “Ultras ound in Gynecology and Obstetrics” Textbook
and Atlas, 1991 Georg Thieme Verlag, 308-338

Meas (cm) Age (wd) 5% (wd) 95% (wd) Meas (cm) Age (wd) 5% (wd) 95% (wd)

2.1 12w1d 10w5d 13w5d 6.2 24w1d 22w1d 26w1d

2.2 12w3d 10w6d 13w6d 6.3 24w4d 22w4d 26w4d

2.3 12w5d 11w1d 14w1d 6.4 24w6d 22w6d 26w6d

2.4 13w0d 11w4d 14w4d 6.5 25w1d 23w1d 27w1d

2.5 13w1d 11w5d 14w5d 6.6 25w4d 23w4d 27w4d

2.6 13w4d 12w0d 15w0d 6.7 25w6d 23w6d 27w6d

2.7 13w6d 12w1d 15w3d 6.8 26w1d 24w1d 28w2d

2.8 14w1d 12w4d 15w5d 6.9 26w4d 24w3d 28w4d

2.9 14w2d 12w5d 15w6d 7.0 26w6d 24w5d 28w6d

3.0 14w4d 13w0d 16w1d 7.1 27w1d 25w1d 29w2d

3.1 14w6d 13w2d 16w4d 7.2 27w4d 25w4d 29w5d

3.2 15w1d 13w4d 16w6d 7.3 27w6d 25w6d 30w0d

3.3 15w3d 13w6d 17w0d 7.4 28w2d 26w1d 30w3d

3.4 15w5d 14w0d 17w3d 7.5 28w4d 26w4d 30w5d

3.5 16w0d 14w2d 17w5d 7.6 29w0d 26w6d 31w1d

3.6 16w2d 14w4d 18w0d 7.7 29w3d 27w1d 31w4d

3.7 16w4d 14w6d 18w1d 7.8 29w6d 27w4d 32w0d

3.8 16w6d 15w1d 18w4d 7.9 30w1d 27w6d 32w2d

3.9 17w1d 15w3d 18w6d 8.0 30w4d 28w2d 32w5d

Reference Manual 24

Meas (cm) Age (wd) 5% (wd) 95% (wd) Meas (cm) Age (wd) 5% (wd) 95% (wd)

4.0 17w3d 15w5d 19w1d 8.1 30w6d 28w5d 33w1d

4.1 17w5d 15w6d 19w4d 8.2 31w2d 29w1d 33w4d

4.2 18w0d 16w1d 19w6d 8.3 31w5d 29w4d 33w6d

4.3 18w2d 16w4d 20w1d 8.4 32w1d 29w6d 34w2d

4.4 18w4d 16w6d 20w3d 8.5 32w4d 30w2d 34w5d

4.5 18w6d 17w1d 20w5d 8.6 32w6d 30w5d 35w1d

4.6 19w1d 17w3d 21w0d 8.7 33w2d 31w0d 35w4d

4.7 19w3d 17w4d 21w1d 8.8 33w6d 31w4d 36w1d

4.8 19w5d 17w6d 21w4d 8.9 34w1d 31w6d 36w4d

4.9 20w0d 18w1d 21w6d 9.0 34w4d 32w2d 36w6d

5.0 20w3d 18w4d 22w1d 9.1 35w1d 32w6d 37w3d

5.1 20w5d 18w6d 22w4d 9.2 35w4d 33w1d 37w6d

5.2 21w0d 19w1d 22w6d 9.3 35w6d 33w4d 38w1d

5.3 21w2d 19w3d 23w1d 9.4 36w3d 34w0d 38w6d

5.4 21w4d 19w5d 23w4d 9.5 36w6d 34w4d 39w2d

5.5 21w6d 20w0d 23w6d 9.6 37w2d 34w6d 39w5d

5.6 22w1d 20w2d 24w1d 9.7 37w6d 35w3d 40w1d

5.7 22w4d 20w4d 24w3d 9.8 38w2d 35w6d 40w5d

5.8 22w6d 20w6d 24w5d 9.9 38w6d 36w3d 41w1d

5.9 23w1d 21w1d 25w1d 10.0 39w2d 36w6d 41w6d

6.0 23w4d 21w4d 25w4d 10.1 39w6d 37w2d 42w2d

6.1 23w6d 21w6d 25w6d 10.2 40w2d 37w6d 42w6d

Fetal Growth Table

E. Merz, W. Goldhofer, E. Timor-Tritsch “Ultrasound in Gynecology and Obstetrics” Textbook
and Atlas, 1991 Georg Thieme Verlag, 308-338

Age (w) Meas (cm) 5% (cm) 95% (cm) Age (w) Meas (cm) 5% (cm) 95% (cm)

12 2 1.5 2.4 27 7.2 6.6 7.7

13 2.4 1.9 2.8 28 7.4 6.9 8

14 2.8 2.3 3.2 29 7.7 7.1 8.3

15 3.1 2.7 3.6 30 7.9 7.4 8.5

16 3.5 3 4 31 8.2 7.6 8.8

17 3.9 3.4 4.4 32 8.4 7.8 9

18 4.3 3.8 4.8 33 8.6 8 9.2

19 4.6 4.1 5.1 34 8.9 8.2 9.5

20 5 4.5 5.5 35 9.1 8.4 9.7

21 5.3 4.8 5.8 36 9.3 8.6 9.9

22 5.6 5.1 6.2 37 9.4 8.8 10.1

23 6 5.4 6.5 38 9.6 9 10.3

24 6.3 5.7 6.8 39 9.8 9.1 10.4

25 6.6 6 7.1 40 9.9 9.3 10.6

26 6.9 6.3 7.4

Reference Manual 25

Biparietal Diameter (BPD): JEANTY

GA Table

Jeanty, P., Romero, R. “Obstetrical Ultrasound” McGraw-Hill Book Company, pages 57-61,

1984.

Meas (cm) Age (wd) 5% (wd) 95% (wd) Meas (cm) Age (wd) 5% (wd) 95% (wd)

1.00 09w1d 06w4d 11w6d 5.30 21w1d 18w4d 23w6d

1.10 09w4d 06w6d 12w1d 5.40 21w4d 18w6d 24w1d

1.20 09w5d 07w0d 12w3d 5.50 21w6d 19w1d 24w4d

1.30 10w0d 07w2d 12w5d 5.60 22w1d 19w4d 24w6d

1.40 10w2d 07w4d 12w6d 5.70 22w4d 19w6d 25w1d

1.50 10w4d 07w6d 13w1d 5.80 22w6d 20w1d 25w4d

1.60 10w6d 08w1d 13w3d 5.90 23w1d 20w4d 25w6d

1.70 11w1d 08w3d 13w5d 6.00 23w4d 20w6d 26w1d

1.80 11w2d 08w4d 14w0d 6.10 23w6d 21w1d 26w4d

1.90 11w4d 08w6d 14w1d 6.20 24w1d 21w4d 26w6d

2.00 11w6d 09w1d 14w4d 6.30 24w4d 21w6d 27w1d

2.10 12w1d 09w3d 14w6d 6.40 24w6d 22w1d 27w4d

2.20 12w3d 09w5d 15w0d 6.50 25w2d 22w4d 27w6d

2.30 12w4d 09w6d 15w2d 6.60 25w4d 22w6d 28w2d

2.40 12w6d 10w1d 15w4d 6.70 26w0d 23w2d 28w4d

2.50 13w1d 10w4d 15w6d 6.80 26w3d 23w5d 29w0d

2.60 13w3d 10w5d 16w1d 6.90 26w5d 24w0d 29w3d

2.70 13w5d 11w0d 16w3d 7.00 27w1d 24w3d 29w6d

2.80 14w0d 11w2d 16w4d 7.10 27w4d 24w6d 30w1d

Meas (cm) Age (wd) 5% (wd) 95% (wd) Meas (cm) Age (wd) 5% (wd) 95% (wd)

2.90 14w1d 11w4d 16w6d 7.20 27w6d 25w1d 30w4d

3.00 14w4d 11w6d 17w1d 7.30 28w2d 25w4d 30w6d

3.10 14w6d 12w1d 17w3d 7.40 28w5d 26w0d 31w2d

3.20 15w1d 12w2d 17w5d 7.50 29w1d 26w3d 31w5d

3.30 15w2d 12w4d 18w0d 7.60 29w4d 26w6d 32w1d

3.40 15w4d 12w6d 18w2d 7.70 29w6d 27w1d 32w4d

3.50 15w6d 13w1d 18w4d 7.80 30w2d 27w4d 33w0d

3.60 16w1d 13w4d 18w6d 7.90 30w5d 28w0d 33w3d

3.70 16w3d 13w5d 19w1d 8.00 31w1d 28w4d 33w6d

3.80 16w5d 14w0d 19w3d 8.10 31w4d 28w6d 34w2d

3.90 17w0d 14w2d 19w5d 8.20 32w0d 29w2d 34w5d

4.00 17w2d 14w4d 19w6d 8.30 32w4d 29w6d 35w1d

4.10 17w4d 14w6d 20w1d 8.40 32w6d 30w1d 35w4d

4.20 17w6d 15w1d 20w4d 8.50 33w3d 30w5d 36w0d

4.30 18w1d 15w3d 20w6d 8.60 33w6d 31w1d 36w4d

4.40 18w3d 15w5d 21w1d 8.70 34w2d 31w4d 37w0d

4.50 18w5d 16w0d 21w3d 8.80 34w6d 32w1d 37w3d

4.60 19w0d 16w2d 21w5d 8.90 35w2d 32w4d 37w6d

4.70 19w2d 16w4d 22w0d 9.00 35w5d 33w0d 38w3d

4.80 19w4d 16w6d 22w2d 9.10 36w1d 33w4d 38w6d

4.90 19w6d 17w1d 22w4d 9.20 36w5d 34w0d 39w3d

5.00 20w2d 17w4d 22w6d 9.30 37w1d 34w4d 39w6d

5.10 20w4d 17w6d 23w1d 9.40 37w5d 35w0d 40w3d

5.20 20w6d 18w1d 23w4d 9.50 38w2d 35w4d 40w6d

Reference Manual 26

Biparietal Diameter (BPD): SABBAGHA

GA Table

Sabbagha, R.E., et. al. “Standardization of Sonar Cephalometry and Gestational Age”
Obstetrics and Gynecology, Vol. 52, No.4: 403, October, 1978

Meas (cm) Age (wd) ±days (wd) Meas (cm) Age (wd) ±days (wd)

3.70 16w0d 1w0d 7.50 29w0d 3w0d

4.00 17w0d 1w3d 7.80 30w0d 3w0d

4.30 18w0d 1w3d 8.00 31w0d 3w0d

4.50 19w0d 1w3d 8.30 32w0d 3w0d

4.70 20w0d 1w3d 8.50 33w0d 3w0d

5.00 21w0d 1w3d 8.70 34w0d 3w0d

5.30 22w0d 1w3d 8.80 35w0d 3w0d

5.60 23w0d 1w3d 9.00 36w0d 3w0d

5.90 24w0d 1w3d 9.20 37w0d 3w0d

6.20 25w0d 1w3d 9.30 38w0d 3w0d

6.60 26w0d 1w3d 9.40 39w0d 3w0d

6.90 27w0d 2w0d 9.50 40w0d 3w0d

7.20 28w0d 2w0d

Biparietal Diameter (BPD): SHINOZUKA

GA Table

Norio Shinozuka, Takashi Okai, et al. “Standard Values of Ultrasonographic Fetal Biometry”
Japanese Journal of Medical Ultrasonics, Vol.23, No.12, 1996, pp877-888

Meas (cm) Age (wd) -SD (wd) +SD (wd) Meas (cm) Age (wd) -SD (wd) +SD (wd)

1.30 10w1d 09w4d 10w5d 5.20 21w6d 20w6d 22w6d

1.40 10w3d 09w6d 11w0d 5.30 22w1d 21w0d 23w2d

1.50 10w5d 10w1d 11w2d 5.40 22w3d 21w2d 23w4d

1.60 11w0d 10w3d 11w4d 5.50 22w5d 21w4d 23w6d

1.70 11w2d 10w5d 11w6d 5.60 23w1d 22w0d 24w2d

1.80 11w4d 11w0d 12w1d 5.70 23w3d 22w2d 24w4d

1.90 11w6d 11w2d 12w3d 5.80 23w5d 22w4d 24w6d

2.00 12w1d 11w4d 12w5d 5.90 24w1d 23w0d 25w2d

2.10 12w3d 11w6d 13w0d 6.00 24w3d 23w1d 25w5d

2.20 12w6d 12w2d 13w3d 6.10 24w5d 23w3d 26w0d

2.30 13w1d 12w3d 13w6d 6.20 25w1d 23w6d 26w3d

2.40 13w3d 12w5d 14w1d 6.30 25w3d 24w1d 26w5d

2.50 13w5d 13w0d 14w3d 6.40 25w5d 24w3d 27w0d

2.60 14w0d 13w2d 14w5d 6.50 26w1d 24w6d 27w3d

2.70 14w2d 13w4d 15w0d 6.60 26w3d 25w0d 27w6d

2.80 14w4d 13w6d 15w2d 6.70 26w6d 25w3d 28w2d

2.90 14w6d 14w1d 15w4d 6.80 27w2d 25w6d 28w5d

3.00 15w1d 14w3d 15w6d 6.90 27w4d 26w1d 29w0d

3.10 15w3d 14w5d 16w1d 7.00 28w0d 26w4d 29w3d

Reference Manual 27

Meas (cm) Age (wd) -SD (wd) +SD (wd) Meas (cm) Age (wd) -SD (wd) +SD (wd)

3.20 15w5d 15w0d 16w3d 7.10 28w3d 27w0d 29w6d

3.30 16w0d 15w2d 16w5d 7.20 28w5d 27w1d 30w2d

3.40 16w2d 15w4d 17w0d 7.30 29w1d 27w4d 30w5d

3.50 16w4d 15w6d 17w2d 7.40 29w4d 28w0d 31w1d

3.60 16w6d 16w0d 17w5d 7.50 30w0d 28w3d 31w4d

3.70 17w1d 16w2d 18w0d 7.60 30w3d 28w6d 32w0d

3.80 17w4d 16w5d 18w3d 7.70 30w6d 29w1d 32w4d

3.90 17w6d 17w0d 18w5d 7.80 31w2d 29w4d 33w0d

4.00 18w1d 17w2d 19w0d 7.90 31w5d 30w0d 33w3d

4.10 18w3d 17w4d 19w2d 8.00 32w1d 30w3d 33w6d

4.20 18w5d 17w6d 19w4d 8.10 32w5d 31w0d 34w3d

4.30 19w0d 18w1d 19w6d 8.20 33w1d 31w2d 35w0d

4.40 19w2d 18w3d 20w1d 8.30 33w5d 31w6d 35w4d

4.50 19w4d 18w5d 20w3d 8.40 34w2d 32w3d 36w1d

4.60 20w0d 19w0d 21w0d 8.50 34w6d 33w0d 36w5d

4.70 20w2d 19w2d 21w2d 8.60 35w3d 33w3d 37w3d

4.80 20w4d 19w4d 21w4d 8.70 36w0d 34w0d 38w0d

4.90 20w6d 19w6d 21w6d 8.80 36w5d 34w5d 38w5d

5.00 21w1d 20w1d 22w1d 8.90 37w4d 35w4d 39w4d

5.10 21w3d 20w3d 22w3d 9.00 38w3d 36w2d 40w4d

Fetal Growth Table

Norio Shinozuka, Takashi Okai, et al. “Standard Values of Ultrasonographic Fetal Biometry”
Japanese Journal of Medical Ultrasonics, Vol.23, No.12, 1996, pp877-888

Age (wd) Meas (cm) -1.5SD (cm) +1.5SD (cm) Age (wd) Meas (cm) -1.5SD (cm) +1.5SD (cm)

10w3d 1.43 1.08 1.77 27w3d 6.87 6.38 7.36

11w3d 1.76 1.41 2.12 28w3d 7.14 6.64 7.63

12w3d 2.10 1.74 2.47 29w3d 7.39 6.88 7.89

13w3d 2.44 2.07 2.82 30w3d 7.63 7.11 8.14

14w3d 2.78 2.40 3.16 31w3d 7.85 7.33 8.38

15w3d 3.12 2.73 3.51 32w3d 8.06 7.53 8.60

16w3d 3.46 3.06 3.86 33w3d 8.26 7.72 8.80

17w3d 3.80 3.39 4.20 34w3d 8.45 7.90 8.99

18w3d 4.13 3.72 4.55 35w3d 8.61 8.06 9.17

19w3d 4.46 4.04 4.88 36w3d 8.76 8.20 9.33

20w3d 4.79 4.36 5.22 37w3d 8.90 8.32 9.47

21w3d 5.11 4.67 5.55 38w3d 9.01 8.43 9.59

22w3d 5.42 4.97 5.87 39w3d 9.11 8.52 9.70

23w3d 5.73 5.27 6.18 40w3d 9.18 8.59 9.78

24w3d 6.03 5.56 6.49 41w3d 9.24 8.63 9.85

25w3d 6.32 5.85 6.79 42w3d 9.28 8.66 9.89

26w3d 6.60 6.12 7.08

Reference Manual 28

Biparietal Diameter (BPD): JSUM

GA Table

Norio Shinozuka, Takashi Okai, et al. "Standard Values of Ultrasonographic Fetal Biometry"
Journal of Medical Ultrasonics, Vol.30, No.3, pp. 416-440, 2003

Meas (cm) Age (wd) -SD (wd) +SD (wd) Meas (cm) Age (wd) -SD (wd) +SD (wd)

1.30 10w1d 09w4d 10w5d 5.20 21w6d 20w6d 22w6d

1.40 10w3d 09w6d 11w0d 5.30 22w1d 21w0d 23w2d

1.50 10w5d 10w1d 11w2d 5.40 22w3d 21w2d 23w4d

1.60 11w0d 10w3d 11w4d 5.50 22w5d 21w4d 23w6d

1.70 11w2d 10w5d 11w6d 5.60 23w1d 22w0d 24w2d

1.80 11w4d 11w0d 12w1d 5.70 23w3d 22w2d 24w4d

1.90 11w6d 11w2d 12w3d 5.80 23w5d 22w4d 24w6d

2.00 12w1d 11w4d 12w5d 5.90 24w1d 23w0d 25w2d

2.10 12w3d 11w6d 13w0d 6.00 24w3d 23w1d 25w5d

2.20 12w6d 12w2d 13w3d 6.10 24w5d 23w3d 26w0d

2.30 13w1d 12w3d 13w6d 6.20 25w1d 23w6d 26w3d

2.40 13w3d 12w5d 14w1d 6.30 25w3d 24w1d 26w5d

2.50 13w5d 13w0d 14w3d 6.40 25w5d 24w3d 27w0d

2.60 14w0d 13w2d 14w5d 6.50 26w1d 24w6d 27w3d

2.70 14w2d 13w4d 15w0d 6.60 26w3d 25w0d 27w6d

2.80 14w4d 13w6d 15w2d 6.70 26w6d 25w3d 28w2d

2.90 14w6d 14w1d 15w4d 6.80 27w2d 25w6d 28w5d

3.00 15w1d 14w3d 15w6d 6.90 27w4d 26w1d 29w0d

3.10 15w3d 14w5d 16w1d 7.00 28w0d 26w4d 29w3d

Meas (cm) Age (wd) -SD (wd) +SD (wd) Meas (cm) Age (wd) -SD (wd) +SD (wd)

3.20 15w5d 15w0d 16w3d 7.10 28w3d 27w0d 29w6d

3.30 16w0d 15w2d 16w5d 7.20 28w5d 27w1d 30w2d

3.40 16w2d 15w4d 17w0d 7.30 29w1d 27w4d 30w5d

3.50 16w4d 15w6d 17w2d 7.40 29w4d 28w0d 31w1d

3.60 16w6d 16w0d 17w5d 7.50 30w0d 28w3d 31w4d

3.70 17w1d 16w2d 18w0d 7.60 30w3d 28w6d 32w0d

3.80 17w4d 16w5d 18w3d 7.70 30w6d 29w1d 32w4d

3.90 17w6d 17w0d 18w5d 7.80 31w2d 29w4d 33w0d

4.00 18w1d 17w2d 19w0d 7.90 31w5d 30w0d 33w3d

4.10 18w3d 17w4d 19w2d 8.00 32w1d 30w3d 33w6d

4.20 18w5d 17w6d 19w4d 8.10 32w5d 31w0d 34w3d

4.30 19w0d 18w1d 19w6d 8.20 33w1d 31w2d 35w0d

4.40 19w2d 18w3d 20w1d 8.30 33w5d 31w6d 35w4d

4.50 19w4d 18w5d 20w3d 8.40 34w2d 32w3d 36w1d

4.60 20w0d 19w0d 21w0d 8.50 34w6d 33w0d 36w5d

4.70 20w2d 19w2d 21w2d 8.60 35w3d 33w3d 37w3d

4.80 20w4d 19w4d 21w4d 8.70 36w0d 34w0d 38w0d

4.90 20w6d 19w6d 21w6d 8.80 36w5d 34w5d 38w5d

5.00 21w1d 20w1d 22w1d 8.90 37w4d 35w4d 39w4d

5.10 21w3d 20w3d 22w3d 9.00 38w3d 36w2d 40w4d

Reference Manual 29

Fetal Growth Table

Norio Shinozuka, Takashi Okai, et al. "Standard Values of Ultrasonographic Fetal Biometry"
Journal of Medical Ultrasonics, Vol.30, No.3, pp. 416-440, 2003

Age (wd) Meas (cm) -1.5SD (cm) +1.5SD (cm) Age (wd) Meas (cm) -1.5SD (cm) +1.5SD (cm)

10w3d 1.43 1.08 1.77 27w3d 6.87 6.38 7.36

11w3d 1.76 1.41 2.12 28w3d 7.14 6.64 7.63

12w3d 2.10 1.74 2.47 29w3d 7.39 6.88 7.89

13w3d 2.44 2.07 2.82 30w3d 7.63 7.11 8.14

14w3d 2.78 2.40 3.16 31w3d 7.85 7.33 8.38

15w3d 3.12 2.73 3.51 32w3d 8.06 7.53 8.60

16w3d 3.46 3.06 3.86 33w3d 8.26 7.72 8.80

17w3d 3.80 3.39 4.20 34w3d 8.45 7.90 8.99

18w3d 4.13 3.72 4.55 35w3d 8.61 8.06 9.17

19w3d 4.46 4.04 4.88 36w3d 8.76 8.20 9.33

20w3d 4.79 4.36 5.22 37w3d 8.90 8.32 9.47

21w3d 5.11 4.67 5.55 38w3d 9.01 8.43 9.59

22w3d 5.42 4.97 5.87 39w3d 9.11 8.52 9.70

23w3d 5.73 5.27 6.18 40w3d 9.18 8.59 9.78

24w3d 6.03 5.56 6.49 41w3d 9.24 8.63 9.85

25w3d 6.32 5.85 6.79 42w3d 9.28 8.66 9.89

26w3d 6.60 6.12 7.08

Biparietal Diameter (BPD): OSAKA

GA Table

Osaka University Method 1989, 3 by Univ. Of Osaka

Meas (cm) Age (wd) Meas (cm) Age (wd) Meas (cm) Age (wd) Meas (cm) Age (wd)

1.30 10w0d 3.40 15w4d 5.50 22w0d 7.60 29w3d

1.40 10w1d 3.50 16w0d 5.60 22w3d 7.70 29w6d

1.50 10w3d 3.60 16w2d 5.70 22w5d 7.80 30w2d

1.60 10w5d 3.70 16w4d 5.80 23w0d 7.90 30w4d

1.70 11w0d 3.80 16w6d 5.90 23w3d 8.00 31w0d

1.80 11w1d 3.90 17w1d 6.00 23w5d 8.10 31w3d

1.90 11w3d 4.00 17w3d 6.10 24w0d 8.20 32w0d

2.00 11w5d 4.10 17w5d 6.20 24w3d 8.30 32w3d

2.10 12w0d 4.20 18w0d 6.30 24w5d 8.40 32w6d

2.20 12w2d 4.30 18w2d 6.40 25w0d 8.50 33w3d

2.30 12w4d 4.40 18w4d 6.50 25w3d 8.60 33w6d

2.40 12w6d 4.50 18w6d 6.60 25w5d 8.70 34w0d

2.50 13w1d 4.60 19w2d 6.70 26w0d 8.80 35w0d

2.60 13w3d 4.70 19w4d 6.80 26w3d 8.90 35w4d

2.70 13w5d 4.80 19w6d 6.90 26w5d 9.00 36w2d

2.80 14w0d 4.90 20w1d 7.00 27w1d 9.10 37w0d

2.90 14w1d 5.00 20w3d 7.10 27w4d 9.20 37w6d

3.00 14w3d 5.10 20w5d 7.20 27w6d 9.30 39w0d

3.10 14w5d 5.20 21w1d 7.30 28w2d 9.40 40w0d

3.20 15w0d 5.30 21w3d 7.40 28w4d

3.30 15w2d 5.40 21w5d 7.50 29w0d

Reference Manual 30

Fetal Growth Table

Osaka University Method 1989, 3 by Univ. Of Osaka

Age (wd) Meas (cm) ±SD (cm) Age (wd) Meas (cm) ±SD (cm)

10w0d 1.33 0.19 25w1d 6.43 0.32

10w1d 1.38 0.19 25w2d 6.47 0.33

10w2d 1.44 0.19 25w3d 6.51 0.33

10w3d 1.50 0.19 25w4d 6.55 0.33

10w4d 1.55 0.19 25w5d 6.59 0.33

10w5d 1.61 0.19 25w6d 6.63 0.33

10w6d 1.66 0.20 26w0d 6.67 0.33

11w0d 1.72 0.20 26w1d 6.71 0.33

11w1d 1.77 0.20 26w2d 6.75 0.33

11w2d 1.83 0.20 26w3d 6.80 0.33

11w3d 1.88 0.20 26w4d 6.84 0.33

11w4d 1.93 0.20 26w5d 6.88 0.33

11w5d 1.99 0.21 26w6d 6.92 0.34

11w6d 2.04 0.21 27w0d 6.95 0.34

12w0d 2.09 0.21 27w1d 6.99 0.34

12w1d 2.15 0.21 27w2d 7.03 0.34

12w2d 2.20 0.21 27w3d 7.07 0.34

12w3d 2.25 0.21 27w4d 7.11 0.34

12w4d 2.31 0.21 27w5d 7.15 0.34

12w5d 2.36 0.22 27w6d 7.19 0.34

12w6d 2.41 0.22 28w0d 7.23 0.34

13w0d 2.46 0.22 28w1d 7.27 0.34

Age (wd) Meas (cm) ±SD (cm) Age (wd) Meas (cm) ±SD (cm)

13w1d 2.52 0.22 28w2d 7.30 0.34

13w2d 2.57 0.22 28w3d 7.34 0.34

13w3d 2.62 0.22 28w4d 7.38 0.35

13w4d 2.67 0.23 28w5d 7.42 0.35

13w5d 2.72 0.23 28w6d 7.45 0.35

13w6d 2.77 0.23 29w0d 7.49 0.35

14w0d 2.82 0.23 29w1d 7.53 0.35

14w1d 2.87 0.23 29w2d 7.56 0.35

14w2d 2.93 0.23 29w3d 7.60 0.35

14w3d 2.98 0.23 29w4d 7.64 0.35

14w4d 3.03 0.24 29w5d 7.67 0.35

14w5d 3.08 0.24 29w6d 7.71 0.35

14w6d 3.13 0.24 30w0d 7.74 0.35

15w0d 3.18 0.24 30w1d 7.78 0.35

15w1d 3.23 0.24 30w2d 7.81 0.35

15w2d 3.28 0.24 30w3d 7.85 0.36

15w3d 3.33 0.24 30w4d 7.88 0.36

15w4d 3.38 0.25 30w5d 7.92 0.36

15w5d 3.42 0.25 30w6d 7.95 0.36

15w6d 3.47 0.25 31w0d 7.98 0.36

16w0d 3.52 0.25 31w1d 8.02 0.36

16w1d 3.57 0.25 31w2d 8.05 0.36

16w2d 3.62 0.25 31w3d 8.08 0.36

16w3d 3.67 0.25 31w4d 8.12 0.36

Reference Manual 31

Age (wd) Meas (cm) ±SD (cm) Age (wd) Meas (cm) ±SD (cm)

16w4d 3.72 0.25 31w5d 8.15 0.36

16w5d 3.77 0.26 31w6d 8.18 0.36

16w6d 3.81 0.26 32w0d 8.21 0.36

17w0d 3.86 0.26 32w1d 8.24 0.36

17w1d 3.91 0.26 32w2d 8.27 0.36

17w2d 3.96 0.26 32w3d 8.31 0.36

17w3d 4.01 0.26 32w4d 8.34 0.37

17w4d 4.05 0.26 32w5d 8.37 0.37

17w5d 4.10 0.27 32w6d 8.40 0.37

17w6d 4.15 0.27 33w0d 8.43 0.37

18w0d 4.20 0.27 33w1d 8.46 0.37

18w1d 4.24 0.27 33w2d 8.48 0.37

18w2d 4.29 0.27 33w3d 8.51 0.37

18w3d 4.34 0.27 33w4d 8.54 0.37

18w4d 4.39 0.27 33w5d 8.57 0.37

18w5d 4.43 0.27 33w6d 8.60 0.37

18w6d 4.48 0.28 34w0d 8.62 0.37

19w0d 4.53 0.28 34w1d 8.65 0.37

19w1d 4.57 0.28 34w2d 8.68 0.37

19w2d 4.62 0.28 34w3d 8.70 0.37

19w3d 4.67 0.28 34w4d 8.73 0.37

19w4d 4.71 0.28 34w5d 8.75 0.37

19w5d 4.76 0.28 34w6d 8.78 0.37

19w6d 4.80 0.28 35w0d 8.80 0.37

Age (wd) Meas (cm) ±SD (cm) Age (wd) Meas (cm) ±SD (cm)

20w0d 4.85 0.29 35w1d 8.83 0.38

20w1d 4.90 0.29 35w2d 8.85 0.38

20w2d 4.94 0.29 35w3d 8.87 0.38

20w3d 4.99 0.29 35w4d 8.90 0.38

20w4d 5.03 0.29 35w5d 8.92 0.38

20w5d 5.08 0.29 35w6d 8.94 0.38

20w6d 5.12 0.29 36w0d 8.96 0.38

21w0d 5.17 0.29 36w1d 8.98 0.38

21w1d 5.21 0.29 36w2d 9.00 0.38

21w2d 5.26 0.30 36w3d 9.02 0.38

21w3d 5.30 0.30 36w4d 9.04 0.38

21w4d 5.35 0.30 36w5d 9.06 0.38

21w5d 5.39 0.30 36w6d 9.08 0.38

21w6d 5.44 0.30 37w0d 9.10 0.38

22w0d 5.48 0.30 37w1d 9.12 0.38

22w1d 5.52 0.30 37w2d 9.14 0.38

22w2d 5.57 0.30 37w3d 9.15 0.38

22w3d 5.61 0.30 37w4d 9.17 0.38

22w4d 5.66 0.31 37w5d 9.18 0.38

22w5d 5.70 0.31 37w6d 9.20 0.38

22w6d 5.74 0.31 38w0d 9.21 0.38

23w0d 5.79 0.31 38w1d 9.23 0.38

23w1d 5.83 0.31 38w2d 9.24 0.38

23w2d 5.87 0.31 38w3d 9.26 0.39

Reference Manual 32

Age (wd) Meas (cm) ±SD (cm) Age (wd) Meas (cm) ±SD (cm)

23w3d 5.92 0.31 38w4d 9.27 0.39

23w4d 5.96 0.31 38w5d 9.28 0.39

23w5d 6.00 0.31 38w6d 9.29 0.39

23w6d 6.05 0.32 39w0d 9.30 0.39

24w0d 6.09 0.32 39w1d 9.31 0.39

24w1d 6.13 0.32 39w2d 9.32 0.39

24w2d 6.17 0.32 39w3d 9.33 0.39

24w3d 6.22 0.32 39w4d 9.34 0.39

24w4d 6.26 0.32 39w5d 9.35 0.39

24w5d 6.30 0.32 39w6d 9.36 0.39

24w6d 6.34 0.32 40w0d 9.36 0.39

25w0d 6.39 0.32

Biparietal Diameter (BPD): CHITTY (OUT-IN)

GA Table

Altman DG, Chitty LS: New Charts for ultrasound dating of pregnancy. Ultrasound in
Obstetrics and Gynecology, Vol. 10: 174-191, 1997

Meas (cm) Age (wd) 5% (wd) 95% (wd) Meas (cm) Age (wd) 5% (wd) 95% (wd)

2.10 12w5d 11w6d 13w5d 5.60 23w1d 21w2d 25w2d

2.20 13w0d 12w1d 14w0d 5.70 23w4d 21w4d 25w4d

2.30 13w2d 12w3d 14w2d 5.80 23w6d 21w6d 26w0d

2.40 13w4d 12w4d 14w4d 5.90 24w1d 22w1d 26w3d

2.50 13w6d 12w6d 14w6d 6.00 24w4d 22w3d 26w6d

2.60 14w1d 13w1d 15w1d 6.10 24w6d 22w5d 27w1d

2.70 14w3d 13w3d 15w3d 6.20 25w2d 23w1d 27w4d

2.80 14w5d 13w4d 15w5d 6.30 25w4d 23w3d 28w0d

2.90 14w6d 13w6d 16w0d 6.40 26w0d 23w5d 28w3d

3.00 15w1d 14w1d 16w2d 6.50 26w2d 24w0d 28w6d

3.10 15w3d 14w3d 16w5d 6.60 26w5d 24w2d 29w1d

3.20 15w5d 14w4d 17w0d 6.70 27w0d 24w4d 29w4d

3.30 16w0d 14w6d 17w2d 6.80 27w3d 25w0d 30w0d

3.40 16w2d 15w1d 17w4d 6.90 27w5d 25w2d 30w3d

3.50 16w4d 15w3d 17w6d 7.00 28w1d 25w4d 30w6d

3.60 16w6d 15w5d 18w2d 7.10 28w3d 25w6d 31w2d

3.70 17w1d 15w6d 18w4d 7.20 28w6d 26w2d 31w5d

3.80 17w3d 16w1d 18w6d 7.30 29w2d 26w4d 32w1d

3.90 17w6d 16w3d 19w2d 7.40 29w4d 26w6d 32w4d

Reference Manual 33

Meas (cm) Age (wd) 5% (wd) 95% (wd) Meas (cm) Age (wd) 5% (wd) 95% (wd)

4.00 18w1d 16w5d 19w4d 7.50 30w0d 27w2d 33w0d

4.10 18w3d 17w0d 19w6d 7.60 30w2d 27w4d 33w3d

4.20 18w5d 17w2d 20w2d 7.70 30w5d 27w6d 33w6d

4.30 19w0d 17w4d 20w4d 7.80 31w1d 28w2d 34w2d

4.40 19w2d 17w6d 20w6d 7.90 31w4d 28w4d 34w5d

4.50 19w4d 18w1d 21w2d 8.00 31w6d 28w6d 35w1d

4.60 19w6d 18w3d 21w4d 8.10 32w2d 29w2d 35w5d

4.70 20w2d 18w5d 22w0d 8.20 32w5d 29w4d 36w1d

4.80 20w4d 19w0d 22w2d 8.30 33w1d 30w0d 36w4d

4.90 20w6d 19w2d 22w5d 8.40 33w3d 30w2d 37w0d

5.00 21w1d 19w4d 23w0d 8.50 33w6d 30w5d 37w3d

5.10 21w4d 19w6d 23w3d 8.60 34w2d 31w0d 38w0d

5.20 21w6d 20w1d 23w5d 8.70 34w5d 31w2d 38w3d

5.30 22w1d 20w3d 24w1d 8.80 35w1d 31w5d 38w6d

5.40 22w4d 20w5d 24w4d 8.90 35w4d 32w0d 39w3d

5.50 22w6d 21w0d 24w6d

Fetal Growth Table

L.S. Chitty, D.G. Altman, S. Campbell. “Charts of Fetal Size: 2. Head Measurement” British
Journal of Obstetrics and Gynaecology, January 1994. Vol 101. pp35-43

Age (w) Meas (cm) 10% (cm) 90% (cm) Age (w) Meas (cm) 10% (cm) 90% (cm)

12 1.83 1.57 2.09 28 7.05 6.65 7.46

13 2.2 1.93 2.47 29 7.31 6.9 7.73

14 2.56 2.28 2.84 30 7.57 7.15 7.99

15 2.93 2.64 3.22 31 7.81 7.38 8.24

16 3.28 2.99 3.58 32 8.04 7.6 8.48

17 3.63 3.33 3.94 33 8.26 7.81 8.71

18 3.98 3.66 4.3 34 8.47 8.02 8.93

19 4.32 4 4.64 35 8.67 8.21 9.14

20 4.65 4.32 4.99 36 8.86 8.38 9.33

21 4.98 4.64 5.32 37 9.03 8.55 9.52

22 5.3 4.95 5.65 38 9.2 8.7 9.69

23 5.61 5.25 5.97 39 9.35 8.85 9.85

24 5.92 5.55 6.29 40 9.48 8.97 9.99

25 6.21 5.84 6.59 41 9.61 9.09 10.12

26 6.5 6.12 6.89 42 9.72 9.19 10.24

27 6.78 6.39 7.18

Reference Manual 34

Biparietal Diameter (BPD): CHITTY (OUT-OUT)

GA Table

D.G. Altman, L.S. Chitty. “New Charts for Ultrasound Dating of Pregnancy” Ultrasound in
Obstetrics and Gynecology, Vol.10, pp174-191, 1997

Meas (cm) Age (wd) 5% (wd) 95% (wd) Meas (cm) Age (wd) 5% (wd) 95% (wd)

2.20 12w4d 11w5d 13w4d 5.70 22w5d 20w5d 24w5d

2.30 12w6d 12w0d 13w6d 5.80 23w0d 21w0d 25w1d

2.40 13w1d 12w1d 14w1d 5.90 23w2d 21w2d 25w4d

2.50 13w3d 12w3d 14w3d 6.00 23w5d 21w4d 25w6d

2.60 13w4d 12w5d 14w5d 6.10 24w0d 21w6d 26w2d

2.70 13w6d 12w6d 15w0d 6.20 24w2d 22w1d 26w5d

2.80 14w1d 13w1d 15w2d 6.30 24w5d 22w4d 27w0d

2.90 14w3d 13w3d 15w4d 6.40 25w0d 22w6d 27w3d

3.00 14w5d 13w4d 15w6d 6.50 25w2d 23w1d 27w6d

3.10 15w0d 13w6d 16w1d 6.60 25w5d 23w3d 28w2d

3.20 15w2d 14w1d 16w3d 6.70 26w0d 23w5d 28w4d

3.30 15w4d 14w3d 16w5d 6.80 26w3d 24w0d 29w0d

3.40 15w5d 14w4d 17w0d 6.90 26w5d 24w2d 29w3d

3.50 16w0d 14w6d 17w2d 7.00 27w1d 24w4d 29w6d

3.60 16w2d 15w1d 17w5d 7.10 27w3d 25w0d 30w2d

3.70 16w4d 15w3d 18w0d 7.20 27w6d 25w2d 30w4d

3.80 16w6d 15w4d 18w2d 7.30 28w1d 25w4d 31w0d

3.90 17w1d 15w6d 18w4d 7.40 28w4d 25w6d 31w3d

4.00 17w3d 16w1d 19w0d 7.50 28w6d 26w2d 31w6d

Meas (cm) Age (wd) 5% (wd) 95% (wd) Meas (cm) Age (wd) 5% (wd) 95% (wd)

4.10 17w5d 16w3d 19w2d 7.60 29w2d 26w4d 32w2d

4.20 18w0d 16w4d 19w4d 7.70 29w5d 26w6d 32w5d

4.30 18w2d 16w6d 19w6d 7.80 30w0d 27w1d 33w1d

4.40 18w4d 17w1d 20w2d 7.90 30w3d 27w4d 33w4d

4.50 19w0d 17w3d 20w4d 8.00 30w5d 27w6d 34w0d

4.60 19w2d 17w5d 20w6d 8.10 31w1d 28w1d 34w3d

4.70 19w4d 18w0d 21w2d 8.20 31w4d 28w3d 34w6d

4.80 19w6d 18w2d 21w4d 8.30 31w6d 28w6d 35w2d

4.90 20w1d 18w4d 22w0d 8.40 32w2d 29w1d 35w6d

5.00 20w3d 18w5d 22w2d 8.50 32w5d 29w4d 36w2d

5.10 20w5d 19w0d 22w4d 8.60 33w1d 29w6d 36w5d

5.20 21w1d 19w2d 23w0d 8.70 33w3d 30w1d 37w1d

5.30 21w3d 19w4d 23w2d 8.80 33w6d 30w4d 37w4d

5.40 21w5d 19w6d 23w5d 8.90 34w2d 30w6d 38w1d

5.50 22w0d 20w1d 24w0d 9.00 34w5d 31w1d 38w4d

5.60 22w2d 20w3d 24w3d 9.10 35w1d 31w4d 39w0d

Reference Manual 35

Fetal Growth Table

L.S. Chitty, D.G. Altman, S. Campbell, “Charts of Fetal Size: 2. Head Measurement” British
Journal of Obstetrics and Gynaecology, January 1994. Vol 101. pp35-43

Age (w) Meas (cm) 10% (cm) 90% (cm) Age (w) Meas (cm) 10% (cm) 90% (cm)

12 1.97 1.68 2.25 28 7.34 6.93 7.74

13 2.35 2.06 2.65 29 7.6 7.19 8.01

14 2.73 2.43 3.03 30 7.86 7.43 8.28

15 3.1 2.8 3.41 31 8.1 7.67 8.53

16 3.47 3.16 3.79 32 8.33 7.9 8.77

17 3.83 3.51 4.16 33 8.55 8.11 9

18 4.19 3.86 4.52 34 8.76 8.31 9.21

19 4.54 4.2 4.88 35 8.96 8.5 9.42

20 4.88 4.54 5.23 36 9.15 8.68 9.61

21 5.22 4.86 5.57 37 9.32 8.84 9.79

22 5.55 5.19 5.91 38 9.48 8.99 9.96

23 5.87 5.5 6.23 39 9.62 9.13 10.11

24 6.18 5.8 6.55 40 9.75 9.26 10.25

25 6.48 6.1 6.86 41 9.87 9.36 10.37

26 6.78 6.38 7.17 42 9.97 9.46 10.48

27 7.06 6.66 7.46

Biparietal Diameter (BPD): CAMPBELL

GA Table

Professor Campbell’s Group at Harris birthright Centre, King’s College Hospital

Meas (cm) Age (wd) ±days (wd) Meas (cm) Age (wd) ±days (wd)

2.40 13w0d 0w0d 7.30 27w0d 01w3d

2.80 14w0d 01w0d 7.50 28w0d 01w4d

3.20 15w0d 01w0d 7.80 29w0d 01w4d

3.70 16w0d 01w0d 8.00 30w0d 01w5d

4.10 17w0d 01w0d 8.30 31w0d 01w6d

4.40 18w0d 01w0d 8.50 32w0d 02w0d

4.70 19w0d 01w1d 8.70 33w0d 02w1d

5.10 20w0d 01w1d 8.90 34w0d 02w3d

5.40 21w0d 01w1d 9.10 35w0d 02w5d

5.80 22w0d 01w1d 9.30 36w0d 02w6d

6.10 23w0d 01w2d 9.50 37w0d 03w0d

6.40 24w0d 01w2d 9.70 38w0d 0w0d

6.70 25w0d 01w2d 9.90 39w0d 0w0d

7.00 26w0d 01w3d 10.00 40w0d 0w0d

Reference Manual 36

Biparietal Diameter (BPD): KURTZ

GA Table

Kurtz AB, et. al., ”Analysis of biparietal diameter as an accurate indicator of gestational age”
Journal of Clinical Ultrasound, 8: 319-326, August 1980

Meas (cm) Age (wd) ±SD (wd) Meas (cm) Age (wd) ±SD (wd)

2.0 12w0d 0w0d 6.0 23w6d 1w5d

2.1 12w0d 0w0d 6.1 24w1d 1w5d

2.2 12w5d 0w4d 6.2 24w4d 1w4d

2.3 13w0d 0w4d 6.3 24w6d 1w4d

2.4 13w1d 0w4d 6.4 25w2d 1w4d

2.5 13w4d 0w4d 6.5 25w4d 1w4d

2.6 13w5d 0w4d 6.6 26w0d 1w4d

2.7 14w0d 0w4d 6.7 26w3d 1w3d

2.8 14w2d 0w5d 6.8 26w5d 1w3d

2.9 14w4d 0w5d 6.9 27w1d 1w2d

3.0 14w6d 0w5d 7.0 27w4d 1w1d

3.1 15w1d 0w6d 7.1 27w6d 1w1d

3.2 15w2d 0w6d 7.2 28w2d 1w1d

3.3 15w4d 0w6d 7.3 28w5d 1w1d

3.4 15w6d 0w6d 7.4 29w1d 1w0d

3.5 16w1d 1w0d 7.5 29w4d 1w0d

3.6 16w3d 1w0d 7.6 30w0d 1w0d

3.7 16w5d 1w1d 7.7 30w2d 1w2d

3.8 17w0d 1w1d 7.8 30w4d 1w2d

Meas (cm) Age (wd) ±SD (wd) Meas (cm) Age (wd) ±SD (wd)

3.9 17w2d 1w1d 7.9 31w1d 1w3d

4.0 17w4d 1w1d 8.0 31w4d 1w3d

4.1 17w6d 1w3d 8.1 32w1d 1w3d

4.2 18w1d 1w4d 8.2 32w4d 1w3d

4.3 18w3d 1w6d 8.3 33w0d 1w4d

4.4 18w6d 1w6d 8.4 33w3d 1w5d

4.5 19w1d 2w1d 8.5 34w0d 1w5d

4.6 19w3d 2w0d 8.6 34w2d 1w6d

4.7 19w5d 1w6d 8.7 35w0d 1w4d

4.8 20w0d 1w6d 8.8 35w3d 1w5d

4.9 20w2d 1w5d 8.9 36w1d 1w5d

5.0 20w4d 1w4d 9.0 36w4d 1w5d

5.1 20w6d 1w4d 9.1 37w1d 1w2d

5.2 21w1d 1w5d 9.2 37w6d 1w1d

5.3 21w4d 1w5d 9.3 38w2d 1w0d

5.4 21w6d 1w6d 9.4 39w0d 1w1d

5.5 22w1d 1w6d 9.5 39w5d 1w1d

5.6 22w4d 1w6d 9.6 40w2d 1w1d

5.7 22w6d 1w5d 9.7 41w0d 1w1d

5.8 23w1d 1w5d 9.8 41w6d 1w2d

5.9 23w4d 1w4d

Reference Manual 37

Biparietal Diameter (BPD): ASUM(SCW)

GA Table

Australasian Society for Ultrasound in Medicine.

Policies and Statements – [D7] Statement On Normal Ultrasonic Fetal Measurements
(Revised May 2001)

GA = 0.397 × (BPD × 10) – 0.00306 × (BPD × 10)

Output Unit: w (weeks)

Input Unit: cm

Min Range: 1.70 cm

Max Range: 9.84 cm

Fetal Growth Table

Australasian Society for Ultrasound in Medicine.

Policies and Statements – [D7] Statement On Normal Ultrasonic Fetal Measurements
(Revised May 2001)

Age (w) Meas (cm) ±2SD (cm) Age (w) Meas (cm) ±2SD (cm)

11 1.6 0.2 27 6.8 0.5

12 2.0 0.4 28 7.2 0.4

13 2.4 0.4 29 7.5 0.4

14 2.8 0.4 30 7.6 0.4

15 3.1 0.4 31 8.0 0.6

16 3.6 0.5 32 8.1 0.4

17 3.9 0.5 33 8.4 0.6

18 4.2 0.4 34 8.6 0.6

19 4.5 0.5 35 8.8 0.65

2

+ 0.00002788 × (BPD × 10)3 + 4.933

Age (w) Meas (cm) ±2SD (cm) Age (w) Meas (cm) ±2SD (cm)

20 4.7 0.4 36 9.0 0.6

21 4.9 0.4 37 9.2 0.65

22 5.2 0.5 38 9.3 0.6

23 5.7 0.5 39 9.5 0.8

24 6.0 0.6 40 9.6 0.8

25 6.4 0.6 41 9.8 0.8

26 6.7 0.4

Biparietal Diameter (BPD): BESSIS

GA Table

The data are those provided by Dr. Bessis to M. Le Bel. (Same as SIGMA 20, see memo from
Ch. Gahwiler dated, June 23, 1983)

Meas (cm) Age (wd) ±days (wd)

1.90 11w4d 0w6d

2.35 13w0d 0w6d

3.65 17w0d 0w6d

4.90 21w0d 1w0d

6.05 25w0d 1w2d

7.20 29w0d 1w5d

8.15 33w0d 2w4d

8.75 37w0d 4w4d

9.70 39w6d 4w4d

Reference Manual 38

Biparietal Diameter (BPD): CFEF

GA Table

J. Créquat, M. Duyme, G. Brodaty.

Biométrie 2000. Tables de croissance foetale par le Collège Français d’Echographie Foetale
(CFEF) et l’Inserm U155

Gynecol Obstet Fertil, 2000 Jun;28(6): 435-45

Meas (cm) Age (w) Meas (cm) Age (w) Meas (cm) Age (w)

1.53 11 5.45 22 8.21 33

1.94 12 5.75 23 8.40 34

2.33 13 6.04 24 8.59 35

2.71 14 6.32 25 8.76 36

3.08 15 6.59 26 8.92 37

3.45 16 6.85 27 9.07 38

3.81 17 7.10 28 9.21 39

4.15 18 7.35 29 9.34 40

4.50 19 7.58 30 9.40 41

4.82 20 7.80 31

5.14 21 8.01 32

Fetal Growth Table

J. Créquat, M. Duyme, G. Brodaty

Biométrie 2000. Tables de croissance foetale par le Collège Français d’Echographie Foetale
(CFEF) et l’Inserm U155

Gynecol Obstet Fertil 2000 Jun;28(6): 435-45

Age (w) Meas (cm) 10% (cm) 90% (cm) Age (w) Meas (cm) 10% (cm) 90% (cm)

11 1.50 1.30 1.80 27 6.90 6.40 7.30

12 1.90 1.70 2.20 28 7.10 6.70 7.60

13 2.30 2.10 2.60 29 7.40 6.90 7.80

14 2.70 2.40 3.00 30 7.60 7.10 8.00

15 3.10 2.80 3.40 31 7.80 7.30 8.30

16 3.50 3.10 3.80 32 8.00 7.50 8.50

17 3.80 3.50 4.10 33 8.20 7.70 8.70

18 4.20 3.80 4.50 34 8.40 7.90 8.90

19 4.50 4.10 4.90 35 8.60 8.10 9.10

20 4.80 4.50 5.20 36 8.80 8.30 9.20

21 5.10 4.80 5.50 37 8.90 8.50 9.40

22 5.50 5.10 5.80 38 9.10 8.60 9.50

23 5.80 5.30 6.20 39 9.20 8.70 9.70

24 6.00 5.60 6.50 40 9.30 8.90 9.80

25 6.30 5.90 6.70 41 9.40 8.90 9.90

26 6.60 6.20 7.00

Reference Manual 39

Biparietal Diameter (BPD): JOHNSEN

GA Table

Johnsen SL, Rasmussen S, Sollien R, Kiserud T. “Fetal age assessment based on ultrasound
head biometry and the eect of maternal and fetal factors” Acta Obstet Gynecol Scand,
2004 Aug; 83(8): 716-23

Meas (cm) Age (wd) 10% (wd) 90% (wd) Meas (cm) Age (wd) 10% (wd) 90% (wd)

1.40 10w3d 09w6d 10w6d 3.80 16w5d 15w6d 17w4d

1.50 10w5d 10w1d 11w2d 3.90 17w0d 16w1d 17w6d

1.60 10w6d 10w3d 11w3d 4.00 17w2d 16w3d 18w1d

1.70 11w1d 10w4d 11w5d 4.10 17w4d 16w5d 18w3d

1.80 11w3d 10w6d 12w0d 4.20 17w6d 17w0d 18w5d

1.90 11w5d 11w1d 12w2d 4.30 18w1d 17w2d 19w1d

2.00 12w0d 11w2d 12w4d 4.40 18w3d 17w4d 19w3d

2.10 12w2d 11w4d 12w6d 4.50 18w5d 17w6d 19w5d

2.20 12w3d 11w6d 13w1d 4.60 19w0d 18w1d 20w0d

2.30 12w5d 12w1d 13w3d 4.70 19w3d 18w3d 20w3d

2.40 13w0d 12w2d 13w5d 4.80 19w5d 18w5d 20w5d

2.50 13w2d 12w4d 14w0d 4.90 20w0d 19w0d 21w0d

2.60 13w3d 12w6d 14w1d 5.00 20w2d 19w2d 21w3d

2.70 13w5d 13w0d 14w3d 5.10 20w4d 19w4d 21w5d

2.80 14w0d 13w2d 14w5d 5.20 21w0d 20w0d 22w0d

2.90 14w2d 13w4d 15w0d 5.30 21w2d 20w2d 22w3d

3.00 14w4d 13w6d 15w2d 5.40 21w4d 20w4d 22w5d

3.10 14w6d 14w0d 15w4d 5.50 22w0d 20w6d 23w1d

Meas (cm) Age (wd) 10% (wd) 90% (wd) Meas (cm) Age (wd) 10% (wd) 90% (wd)

3.20 15w0d 14w2d 15w6d 5.60 22w2d 21w2d 23w3d

3.30 15w2d 14w4d 16w1d 5.70 22w5d 21w4d 23w6d

3.40 15w4d 14w6d 16w3d 5.80 23w0d 21w6d 24w1d

3.50 15w6d 15w1d 16w5d 5.90 23w3d 22w2d 24w4d

3.60 16w1d 15w2d 17w0d 6.00 23w5d 22w4d 25w0d

3.70 16w3d 15w4d 17w2d

Fetal Growth Table

Johnsen SL, Wilsgaard T, Rasmussen S, Sollien R, Kiserud T. “Longitudinal reference charts for
growth of the fetal head, abdomen and femur” Eur J Obstet Gynecol Reprod Biol, 2006 Aug;
127(2): 172-85

Age (w) Meas (cm) 10% (cm) 90% (cm) Age (w) Meas (cm) 10% (cm) 90% (cm)

10w 1.40 1.20 1.60 26w 6.80 6.40 7.20

11w 1.70 1.50 1.90 27w 7.10 6.60 7.50

12w 2.00 1.80 2.30 28w 7.30 6.90 7.80

13w 2.40 2.10 2.70 29w 7.60 7.20 8.00

14w 2.70 2.50 3.00 30w 7.80 7.40 8.30

15w 3.10 2.80 3.40 31w 8.10 7.60 8.60

16w 3.50 3.10 3.80 32w 8.30 7.80 8.80

17w 3.80 3.50 4.20 33w 8.50 8.00 9.00

18w 4.20 3.80 4.50 34w 8.70 8.20 9.30

19w 4.50 4.20 4.90 35w 8.90 8.40 9.50

20w 4.90 4.50 5.20 36w 9.10 8.60 9.70

21w 5.20 4.90 5.60 37w 9.30 8.80 9.80

Reference Manual 40

Age (w) Meas (cm) 10% (cm) 90% (cm) Age (w) Meas (cm) 10% (cm) 90% (cm)

22w 5.50 5.20 5.90 38w 9.50 8.90 10.00

23w 5.90 5.50 6.30 39w 9.60 9.10 10.20

24w 6.20 5.80 6.60 40w 9.80 9.20 10.40

25w 6.50 6.10 6.90 41w 9.9 9.30 10.50

Biparietal Diameter (BPD): REMPEN

GA Table

Rempen A. “Biometrie in der Fruhgraviditat (I. Trimenon)” Der Frauenarzt, 32: 425, 1991

Meas (cm) Age (wd) 5% (wd) 95% (wd) Meas (cm) Age (wd) 5% (wd) 95% (wd)

0.30 6w6d 05w5d 08w0d 1.60 10w4d 09w3d 11w5d

0.40 7w1d 06w0d 08w2d 1.70 10w6d 09w5d 12w0d

0.50 7w3d 06w2d 08w4d 1.80 11w1d 10w0d 12w2d

0.60 7w5d 06w4d 08w6d 1.90 11w3d 10w2d 12w4d

0.70 8w0d 06w6d 09w1d 2.00 11w5d 10w4d 12w6d

0.80 8w2d 07w1d 09w3d 2.10 12w0d 10w6d 13w1d

0.90 8w4d 07w3d 09w5d 2.20 12w2d 11w1d 13w3d

1.00 8w6d 07w5d 10w0d 2.30 12w4d 11w3d 13w5d

1.10 9w1d 08w0d 10w2d 2.40 12w6d 11w5d 14w0d

1.20 9w3d 08w2d 10w4d 2.50 13w1d 12w0d 14w2d

1.30 9w5d 08w4d 10w6d 2.60 13w3d 12w2d 14w4d

1.40 10w0d 08w6d 11w1d 2.70 13w5d 12w4d 14w6d

1.50 10w2d 09w1d 11w3d

Fetal Growth Table

Rempen A. “Biometrie in der Fruhgraviditat (I. Trimenon)” Der Frauenarzt, 32: 425, 1991

Age (wd) Meas (cm) 5% (cm) 95% (cm) Age (wd) Meas (cm) 5% (cm) 95% (cm)

6w2d 0.20 0.00 0.57 9w6d 1.34 0.97 1.71

6w3d 0.25 0.00 0.62 10w0d 1.39 1.02 1.76

6w4d 0.30 0.00 0.67 10w1d 1.43 1.06 1.80

6w5d 0.34 0.00 0.71 10w2d 1.48 1.11 1.85

6w6d 0.39 0.02 0.76 10w3d 1.52 1.15 1.89

7w0d 0.43 0.06 0.80 10w4d 1.57 1.20 1.94

7w1d 0.48 0.11 0.85 10w5d 1.61 1.24 1.98

7w2d 0.53 0.16 0.90 10w6d 1.65 1.28 2.02

7w3d 0.57 0.20 0.94 11w0d 1.70 1.33 2.07

7w4d 0.62 0.25 0.99 11w1d 1.74 1.37 2.11

7w5d 0.67 0.30 1.04 11w2d 1.79 1.42 2.16

7w6d 0.71 0.34 1.08 11w3d 1.83 1.46 2.20

8w0d 0.76 0.39 1.13 11w4d 1.87 1.50 2.24

8w1d 0.80 0.43 1.17 11w5d 1.92 1.55 2.29

8w2d 0.85 0.48 1.22 11w6d 1.96 1.59 2.33

8w3d 0.89 0.52 1.26 12w0d 2.00 1.63 2.37

8w4d 0.94 0.57 1.31 12w1d 2.05 1.68 2.42

8w5d 0.98 0.61 1.35 12w2d 2.09 1.72 2.46

8w6d 1.03 0.66 1.40 12w3d 2.13 1.76 2.50

9w0d 1.07 0.70 1.44 12w4d 2.18 1.81 2.55

9w1d 1.12 0.75 1.49 12w5d 2.22 1.85 2.59

9w2d 1.16 0.79 1.53 12w6d 2.26 1.89 2.63

9w3d 1.21 0.84 1.58 13w0d 2.31 1.94 2.68

9w4d 1.25 0.88 1.62 13w1d 2.35 1.98 2.72

9w5d 1.30 0.93 1.67 13w2d 2.39 2.02 2.76

Reference Manual 41

Biparietal Diameter (BPD): KURMANAVICIUS

Fetal Growth Table

Kurmanavicius J, Wright EM, Royston P, Wisser J, Huch R, Huch A, Zimmermann R. “Fetal
ultrasound biometry: 1. Head reference values” Br J Obstet Gynaecol, 1999 Feb; 106(2): 126-35

Age (w) Meas (cm) 5% (cm) 95% (cm) Age (w) Meas (cm) 5% (cm) 95% (cm)

12w 2.10 1.70 2.50 28w 7.49 6.92 8.07

13w 2.49 2.08 2.90 29w 7.76 7.17 8.34

14w 2.87 2.45 3.29 30w 8.01 7.41 8.60

15w 3.25 2.82 3.68 31w 8.25 7.64 8.85

16w 3.62 3.18 4.06 32w 8.47 7.86 9.09

17w 3.99 3.53 4.44 33w 8.69 8.06 9.31

18w 4.35 3.88 4.81 34w 8.89 8.25 9.53

19w 4.70 4.22 5.17 35w 9.08 8.43 9.73

20w 5.04 4.56 5.53 36w 9.26 8.60 9.91

21w 5.38 4.88 5.88 37w 9.42 8.75 10.09

22w 5.71 5.20 6.22 38w 9.57 8.89 10.25

23w 6.03 5.51 6.55 39w 9.70 9.01 10.39

24w 6.34 5.81 6.87 40w 9.82 9.12 10.52

25w 6.65 6.11 7.19 41w 9.92 9.21 10.63

26w 6.94 6.39 7.49 42w 10.01 9.29 10.73

27w 7.22 6.66 7.78

Biparietal Diameter (BPD): NICOLAIDES

Fetal Growth Table

Snijders RJ, Nicolaides KH. “Fetal biometry at 14-40 weeks’ gestation” Ultrasound in
obstetrics and Gynecology, 1994 Jan 1; 4(1): 34-48

Age (wd) Meas (cm) 5% (cm) 95% (cm) Age (wd) Meas (cm) 5% (cm) 95% (cm)

14w0d 3.10 2.80 3.40 27w0d 7.20 6.60 7.80

14w1d 3.10 2.80 3.40 27w1d 7.20 6.60 7.80

14w2d 3.10 2.80 3.40 27w2d 7.20 6.60 7.80

14w3d 3.10 2.80 3.40 27w3d 7.20 6.60 7.80

14w4d 3.10 2.80 3.40 27w4d 7.20 6.60 7.80

14w5d 3.10 2.80 3.40 27w5d 7.20 6.60 7.80

14w6d 3.10 2.80 3.40 27w6d 7.20 6.60 7.80

15w0d 3.40 3.10 3.70 28w0d 7.50 6.90 8.10

15w1d 3.40 3.10 3.70 28w1d 7.50 6.90 8.10

15w2d 3.40 3.10 3.70 28w2d 7.50 6.90 8.10

15w3d 3.40 3.10 3.70 28w3d 7.50 6.90 8.10

15w4d 3.40 3.10 3.70 28w4d 7.50 6.90 8.10

15w5d 3.40 3.10 3.70 28w5d 7.50 6.90 8.10

15w6d 3.40 3.10 3.70 28w6d 7.50 6.90 8.10

16w0d 3.70 3.40 4.00 29w0d 7.80 7.20 8.50

16w1d 3.70 3.40 4.00 29w1d 7.80 7.20 8.50

16w2d 3.70 3.40 4.00 29w2d 7.80 7.20 8.50

16w3d 3.70 3.40 4.00 29w3d 7.80 7.20 8.50

16w4d 3.70 3.40 4.00 29w4d 7.80 7.20 8.50

Reference Manual 42

Age (wd) Meas (cm) 5% (cm) 95% (cm) Age (wd) Meas (cm) 5% (cm) 95% (cm)

16w5d 3.70 3.40 4.00 29w5d 7.80 7.20 8.50

16w6d 3.70 3.40 4.00 29w6d 7.80 7.20 8.50

17w0d 4.00 3.60 4.30 30w0d 8.10 7.40 8.80

17w1d 4.00 3.60 4.30 30w1d 8.10 7.40 8.80

17w2d 4.00 3.60 4.30 30w2d 8.10 7.40 8.80

17w3d 4.00 3.60 4.30 30w3d 8.10 7.40 8.80

17w4d 4.00 3.60 4.30 30w4d 8.10 7.40 8.80

17w5d 4.00 3.60 4.30 30w5d 8.10 7.40 8.80

17w6d 4.00 3.60 4.30 30w6d 8.10 7.40 8.80

18w0d 4.30 3.90 4.70 31w0d 8.30 7.70 9.00

18w1d 4.30 3.90 4.70 31w1d 8.30 7.70 9.00

18w2d 4.30 3.90 4.70 31w2d 8.30 7.70 9.00

18w3d 4.30 3.90 4.70 31w3d 8.30 7.70 9.00

18w4d 4.30 3.90 4.70 31w4d 8.30 7.70 9.00

18w5d 4.30 3.90 4.70 31w5d 8.30 7.70 9.00

18w6d 4.30 3.90 4.70 31w6d 8.30 7.70 9.00

19w0d 4.60 4.20 5.00 32w0d 8.60 7.90 9.30

19w1d 4.60 4.20 5.00 32w1d 8.60 7.90 9.30

19w2d 4.60 4.20 5.00 32w2d 8.60 7.90 9.30

19w3d 4.60 4.20 5.00 32w3d 8.60 7.90 9.30

19w4d 4.60 4.20 5.00 32w4d 8.60 7.90 9.30

19w5d 4.60 4.20 5.00 32w5d 8.60 7.90 9.30

19w6d 4.60 4.20 5.00 32w6d 8.60 7.90 9.30

20w0d 4.90 4.50 5.40 33w0d 8.80 8.10 9.60

Age (wd) Meas (cm) 5% (cm) 95% (cm) Age (wd) Meas (cm) 5% (cm) 95% (cm)

20w1d 4.90 4.50 5.40 33w1d 8.80 8.10 9.60

20w2d 4.90 4.50 5.40 33w2d 8.80 8.10 9.60

20w3d 4.90 4.50 5.40 33w3d 8.80 8.10 9.60

20w4d 4.90 4.50 5.40 33w4d 8.80 8.10 9.60

20w5d 4.90 4.50 5.40 33w5d 8.80 8.10 9.60

20w6d 4.90 4.50 5.40 33w6d 8.80 8.10 9.60

21w0d 5.20 4.80 5.70 34w0d 9.00 8.30 9.80

21w1d 5.20 4.80 5.70 34w1d 9.00 8.30 9.80

21w2d 5.20 4.80 5.70 34w2d 9.00 8.30 9.80

21w3d 5.20 4.80 5.70 34w3d 9.00 8.30 9.80

21w4d 5.20 4.80 5.70 34w4d 9.00 8.30 9.80

21w5d 5.20 4.80 5.70 34w5d 9.00 8.30 9.80

21w6d 5.20 4.80 5.70 34w6d 9.00 8.30 9.80

22w0d 5.60 5.10 6.10 35w0d 9.20 8.50 10.00

22w1d 5.60 5.10 6.10 35w1d 9.20 8.50 10.00

22w2d 5.60 5.10 6.10 35w2d 9.20 8.50 10.00

22w3d 5.60 5.10 6.10 35w3d 9.20 8.50 10.00

22w4d 5.60 5.10 6.10 35w4d 9.20 8.50 10.00

22w5d 5.60 5.10 6.10 35w5d 9.20 8.50 10.00

22w6d 5.60 5.10 6.10 35w6d 9.20 8.50 10.00

23w0d 5.90 5.40 6.40 36w0d 9.40 8.60 10.20

23w1d 5.90 5.40 6.40 36w1d 9.40 8.60 10.20

23w2d 5.90 5.40 6.40 36w2d 9.40 8.60 10.20

23w3d 5.90 5.40 6.40 36w3d 9.40 8.60 10.20

Reference Manual 43

Age (wd) Meas (cm) 5% (cm) 95% (cm) Age (wd) Meas (cm) 5% (cm) 95% (cm)

23w4d 5.90 5.40 6.40 36w4d 9.40 8.60 10.20

23w5d 5.90 5.40 6.40 36w5d 9.40 8.60 10.20

23w6d 5.90 5.40 6.40 36w6d 9.40 8.60 10.20

24w0d 6.20 5.70 6.80 37w0d 9.50 8.70 10.30

24w1d 6.20 5.70 6.80 37w1d 9.50 8.70 10.30

24w2d 6.20 5.70 6.80 37w2d 9.50 8.70 10.30

24w3d 6.20 5.70 6.80 37w3d 9.50 8.70 10.30

24w4d 6.20 5.70 6.80 37w4d 9.50 8.70 10.30

24w5d 6.20 5.70 6.80 37w5d 9.50 8.70 10.30

24w6d 6.20 5.70 6.80 37w6d 9.50 8.70 10.30

25w0d 6.60 6.00 7.10 38w0d 9.60 8.80 10.40

25w1d 6.60 6.00 7.10 38w1d 9.60 8.80 10.40

25w2d 6.60 6.00 7.10 38w2d 9.60 8.80 10.40

25w3d 6.60 6.00 7.10 38w3d 9.60 8.80 10.40

25w4d 6.60 6.00 7.10 38w4d 9.60 8.80 10.40

25w5d 6.60 6.00 7.10 38w5d 9.60 8.80 10.40

25w6d 6.60 6.00 7.10 38w6d 9.60 8.80 10.40

26w0d 6.90 6.30 7.50 39w0d 9.70 8.90 10.50

26w1d 6.90 6.30 7.50 39w1d 9.70 8.90 10.50

26w2d 6.90 6.30 7.50 39w2d 9.70 8.90 10.50

26w3d 6.90 6.30 7.50 39w3d 9.70 8.90 10.50

26w4d 6.90 6.30 7.50 39w4d 9.70 8.90 10.50

26w5d 6.90 6.30 7.50 39w5d 9.70 8.90 10.50

26w6d 6.90 6.30 7.50 39w6d 9.70 8.90 10.50

Crown-Rump Length (CRL): KOREAN

GA Table

Y.G Park. “ The Standardization of Fetal body parts according to the normal Korean
Gestational Age in Ultrasound” Korean Ultrasound Institute, Vol. 14, No.2, 1995

GA = CRL × 1.08815 + 6.321988

Output Unit: w (weeks)

Input Unit: cm

Min Range: 0.9 cm

Max Range: 5.4 cm

Fetal Growth Table

Y.G Park. “ The Standardization of Fetal body parts according to the normal Korean
Gestational Age in Ultrasound” Korean Ultrasound Institute, Vol. 14, No.2, 1995

CRL = 90.37523XMA – 54.736362

Output Unit: cm

Input Unit: w (week)

Min Range: 7 w

Max Range: 11 w

Age (w) Meas (cm) ±SD (cm) Age (w) Meas (cm) ±SD (cm)

7 1.045 0.287 10 3.307 0.297

8 1.589 0.304 11 4.286 0.346

9 2.339 0.291

Reference Manual 44

Crown-Rump Length (CRL): ROBINSON

GA Table

Robinson HP, Fleming JEE British Journal of Obstetrics and Gynecology 82:702-710,
September 1975

GA = 8.052 ×

Output Unit: d (days)

Input Unit: cm

Min Range: 0.70 cm

Max Range: 7.96 cm

+ 23.73

Crown-Rump Length (CRL): HANSMANN

GA Table

Hansmann, Hackeloer, Staudach, Wittman. “Ultrasound Diagnosis in Obsterics and
Gynecology.” Springer-Verlag, New York, 1986, p.439.

Meas (cm) Age (wd) -2SD (wd) +2SD (wd) Meas (cm) Age (wd) -2SD (wd) +2SD (wd)

0.60 06w1d 05w1d 07w0d 5.20 12w2d 11w0d 13w4d

0.70 06w2d 05w3d 07w2d 5.40 12w3d 11w0d 13w5d

0.80 06w4d 05w4d 07w3d 5.60 12w4d 11w1d 13w6d

0.90 06w6d 05w6d 07w6d 5.80 12w5d 11w2d 14w0d

1.00 07w0d 06w1d 08w0d 6.00 12w6d 11w3d 14w1d

1.10 07w2d 06w2d 08w1d 6.30 13w0d 11w4d 14w3d

1.20 07w3d 06w3d 08w3d 6.60 13w2d 11w5d 14w5d

1.30 07w4d 06w5d 08w4d 7.00 13w3d 12w0d 15w0d

1.40 07w6d 06w6d 08w6d 7.30 13w5d 12w1d 15w1d

Meas (cm) Age (wd) -2SD (wd) +2SD (wd) Meas (cm) Age (wd) -2SD (wd) +2SD (wd)

1.50 08w0d 07w0d 09w0d 7.60 13w6d 12w2d 15w3d

1.60 08w2d 07w2d 09w1d 8.00 14w1d 12w4d 15w5d

1.70 08w3d 07w3d 09w2d 8.30 14w2d 12w5d 16w0d

1.80 08w4d 07w4d 09w4d 8.60 14w4d 12w6d 16w2d

1.90 08w5d 07w5d 09w5d 9.00 14w6d 13w1d 16w4d

2.00 08w6d 07w6d 09w6d 9.30 15w1d 13w3d 16w6d

2.10 09w0d 08w0d 10w0d 9.60 15w3d 13w4d 17w1d

2.20 09w1d 08w1d 10w1d 10.00 15w5d 13w6d 17w3d

2.30 09w2d 08w2d 10w2d 10.30 16w0d 14w1d 17w6d

2.40 09w3d 08w3d 10w3d 10.60 16w2d 14w3d 18w1d

2.60 09w5d 08w5d 10w5d 11.00 16w4d 14w5d 18w4d

2.80 10w0d 08w6d 11w1d 11.30 17w0d 15w0d 19w0d

3.00 10w2d 09w1d 11w2d 11.60 17w2d 15w2d 19w2d

3.20 10w3d 09w2d 11w4d 12.00 17w4d 15w4d 19w4d

3.40 10w5d 09w4d 11w5d 12.30 18w0d 16w0d 20w0d

3.60 10w6d 09w5d 12w0d 12.60 18w2d 16w2d 20w3d

3.80 11w1d 09w6d 12w2d 13.00 18w6d 16w5d 20w6d

4.00 11w2d 10w1d 12w3d 13.30 19w1d 17w0d 21w2d

4.20 11w3d 10w2d 12w4d 13.60 19w4d 17w3d 21w6d

4.40 11w4d 10w3d 12w6d 14.00 20w0d 17w6d 22w2d

4.60 11w6d 10w5d 13w0d 14.30 20w3d 18w1d 22w5d

4.80 12w0d 10w6d 13w2d 14.60 20w6d 18w4d 23w1d

5.00 12w1d 10w6d 13w3d 15.00 21w3d 19w0d 23w5d

Reference Manual 45

Fetal Growth Table

Hansmann, Hackeloer, Staudach, Wittmann. “Ultrasound Diagnosis in Obstetrics and
Gynecology.” Springer-Verlag, New York, 1986

Age (wd) Meas (cm) -2SD (cm) +2SD (cm) Age (wd) Meas (cm) -2SD (cm) +2SD (cm)

06w1d 0.69 0.23 1.15 12w2d 5.56 4.00 7.13

06w2d 0.76 0.28 1.25 12w4d 5.94 4.32 7.55

06w3d 0.83 0.32 1.34 12w6d 6.31 4.64 7.98

06w4d 0.90 0.36 1.43 13w2d 6.88 5.13 8.63

06w5d 0.96 0.39 1.52 13w4d 7.26 5.56 9.06

06w6d 1.02 0.43 1.61 13w6d 7.63 5.78 9.48

07w0d 1.08 0.47 1.69 14w2d 8.18 6.25 10.11

07w1d 1.14 0.50 1.78 14w4d 8.54 6.56 10.52

07w2d 1.21 0.54 1.87 14w6d 8.89 6.86 10.92

07w3d 1.27 0.58 1.96 15w2d 9.39 7.28 11.50

07w4d 1.33 0.62 2.05 15w4d 9.71 7.55 11.87

07w5d 1.40 0.66 2.14 15w6d 10.01 7.80 12.22

07w6d 1.47 0.70 2.24 16w2d 10.44 8.15 12.73

08w0d 1.54 0.75 2.34 16w4d 10.70 8.36 13.04

08w1d 1.62 0.80 2.44 16w6d 10.95 8.56 13.34

08w3d 1.78 0.91 2.65 17w2d 11.30 8.83 13.77

08w5d 1.96 1.03 2.88 17w4d 11.51 8.99 14.04

09w0d 2.15 1.17 3.12 17w6d 11.72 9.15 14.29

09w2d 2.36 1.33 3.39 18w2d 12.00 9.35 14.65

09w4d 2.59 1.51 3.66 18w4d 12.19 9.48 14.89

09w6d 2.83 1.70 3.96 18w6d 12.37 9.62 15.12

Age (wd) Meas (cm) -2SD (cm) +2SD (cm) Age (wd) Meas (cm) -2SD (cm) +2SD (cm)

10w2d 3.24 2.03 4.44 19w1d 12.55 9.75 15.36

10w4d 3.53 2.27 4.79 19w3d 12.74 9.89 15.60

10w6d 3.83 2.52 5.14 19w5d 12.94 10.03 15.85

11w2d 4.32 2.93 5.71 20w0d 13.16 10.20 16.12

11w4d 4.66 3.22 6.13 20w1d 13.28 10.29 16.26

11w6d 5.02 3.53 6.51 20w2d 13.40 10.40 16.41

Crown-Rump Length (CRL): SHINOZUKA

GA Table

N.Shinozuka. “Fetal biometry standard values” http://www.shinozuka.com, 1996

Age (w) Meas (cm) ±SD (cm) Age (w) Meas (cm) ±SD (cm)

0.50 06w3d 00w3d 3.00 10w2d 01w0d

1.00 07w3d 00w4d 3.50 10w6d 01w1d

1.50 08w1d 00w5d 4.00 11w3d 01w1d

2.00 08w6d 00w6d 4.50 11w6d 01w2d

2.50 09w4d 00w6d 5.00 12w2d 01w3d

Reference Manual 46

Fetal Growth Table

N.Shinozuka. “Fetal biometry standard values” http://www.shinozuka.com, 1996

Age (wd) Meas (cm) -1.64 SD (cm) +1.64 SD (cm)

7w0d 0.79 0.51 1.07

7w1d 0.86 0.55 1.17

7w2d 0.93 0.6 1.27

7w3d 1.01 0.65 1.37

7w4d 1.09 0.71 1.47

7w5d 1.17 0.76 1.58

7w6d 1.25 0.82 1.69

8w0d 1.34 0.88 1.80

8w1d 1.43 0.95 1.91

8w2d 1.52 1.01 2.03

8w3d 1.61 1.08 2.15

8w4d 1.71 1.15 2.27

8w5d 1.81 1.22 2.39

8w6d 1.91 1.30 2.52

9w0d 2.01 1.38 2.65

9w1d 2.12 1.46 2.78

9w2d 2.23 1.54 2.91

9w3d 2.34 1.63 3.05

9w4d 2.45 1.72 3.18

9w5d 2.57 1.81 3.32

9w6d 2.68 1.90 3.47

10w0d 2.80 1.99 3.61

Age (wd) Meas (cm) -1.64 SD (cm) +1.64 SD (cm)

10w1d 2.93 2.09 3.76

10w2d 3.05 2.19 3.91

10w3d 3.18 2.29 4.06

10w4d 3.31 2.40 4.22

10w5d 3.44 2.51 4.38

10w6d 3.58 2.62 4.54

11w0d 3.71 2.73 4.70

11w1d 3.85 2.84 4.86

11w2d 4.00 2.96 5.03

11w3d 4.14 3.08 5.20

11w4d 4.29 3.20 5.37

11w5d 4.44 3.33 5.55

11w6d 4.59 3.45 5.73

12w0d 4.74 3.58 5.91

12w1d 4.90 3.72 6.09

12w2d 5.06 3.85 6.27

12w3d 5.22 3.99 6.46

12w4d 5.39 4.13 6.65

12w5d 5.55 4.27 6.84

12w6d 5.72 4.41 7.03

13w0d 5.89 4.56 7.23

Reference Manual 47

Crown-Rump Length (CRL): JUSM

GA Table

Norio Shinozuka, Takashi Okai, et al. “Standard Values of Ultrasonographic Fetal Biometry“
Journal of Medical Ultrasonics, Vol.30, No.3, pp. 416-440, 2003

Meas (cm) Age (wd) ±SD (wd) Meas (cm) Age (wd) ±SD (wd)

0.50 06w3d 00w3d 3.00 10w2d 01w0d

1.00 07w3d 00w4d 3.50 10w6d 01w1d

1.50 08w1d 00w5d 4.00 11w3d 01w1d

2.00 08w6d 00w6d 4.50 11w6d 01w2d

2.50 09w4d 00w6d 5.00 12w2d 01w3d

Fetal Growth Table

Norio Shinozuka, Takashi Okai, et al. “Standard Values of Ultrasonographic Fetal Biometry”
Journal of Medical Ultrasonics, Vol.30, No.3, pp. 416-440, 2003

Age (wd) Meas (cm) -1.64 SD (cm) +1.64 SD (cm)

7w0d 0.79 0.51 1.07

7w1d 0.86 0.55 1.17

7w2d 0.93 0.6 1.27

7w3d 1.01 0.65 1.37

7w4d 1.09 0.71 1.47

7w5d 1.17 0.76 1.58

7w6d 1.25 0.82 1.69

8w0d 1.34 0.88 1.80

Age (wd) Meas (cm) -1.64 SD (cm) +1.64 SD (cm)

8w1d 1.43 0.95 1.91

8w2d 1.52 1.01 2.03

8w3d 1.61 1.08 2.15

8w4d 1.71 1.15 2.27

8w5d 1.81 1.22 2.39

8w6d 1.91 1.30 2.52

9w0d 2.01 1.38 2.65

9w1d 2.12 1.46 2.78

9w2d 2.23 1.54 2.91

9w3d 2.34 1.63 3.05

9w4d 2.45 1.72 3.18

9w5d 2.57 1.81 3.32

9w6d 2.68 1.90 3.47

10w0d 2.80 1.99 3.61

10w1d 2.93 2.09 3.76

10w2d 3.05 2.19 3.91

10w3d 3.18 2.29 4.06

10w4d 3.31 2.40 4.22

10w5d 3.44 2.51 4.38

10w6d 3.58 2.62 4.54

11w0d 3.71 2.73 4.70

11w1d 3.85 2.84 4.86

11w2d 4.00 2.96 5.03

11w3d 4.14 3.08 5.20

Reference Manual 48

Age (wd) Meas (cm) -1.64 SD (cm) +1.64 SD (cm)

11w4d 4.29 3.20 5.37

11w5d 4.44 3.33 5.55

11w6d 4.59 3.45 5.73

12w0d 4.74 3.58 5.91

12w1d 4.90 3.72 6.09

12w2d 5.06 3.85 6.27

12w3d 5.22 3.99 6.46

12w4d 5.39 4.13 6.65

12w5d 5.55 4.27 6.84

12w6d 5.72 4.41 7.03

13w0d 5.89 4.56 7.23

Crown-Rump Length (CRL): NELSON

GA Table

Nelson, L. “Comparison of Methods for Determining Crown-Rump Measurement by Real­Time Ultrasound.” Journal of Clinical Ultrasound, 9: 67-70, February, 1981.

GA = 51.0008 + 0.6 × CRL

Output Unit: d (days)

Input Unit: cm

Min Range: 0.15 cm

Max Range: 11.5 cm

Crown-Rump Length (CRL): HADLOCK

GA Table

Frank P. Hadlock, Yogesh P. Shah, Donna J. Kanon, Joshua V. Lindsey,. “Fetal Crown-Rump
Length: Reevaluation of Relation to Menstrual Age(5-18 weeks) with High-Resolution Real­Time US” Radiology, 1992; 182: 501-505

Meas (cm) Age (wd) -2SD (wd) +2SD (wd) Meas (cm) Age (wd) -2SD (wd) +2SD (wd)

0.2 5w5d 5w2d 6w1d 6.2 12w4d 11w4d 13w4d

0.3 5w6d 5w3d 6w3d 6.3 12w5d 11w5d 13w5d

0.4 6w1d 5w4d 6w4d 6.4 12w6d 11w5d 13w6d

0.5 6w1d 5w5d 6w5d 6.5 12w6d 11w5d 13w6d

0.6 6w3d 5w6d 6w6d 6.6 12w6d 11w6d 14w0d

0.7 6w4d 6w1d 7w1d 6.7 13w0d 12w0d 14w0d

0.8 6w5d 6w1d 7w2d 6.8 13w1d 12w0d 14w1d

0.9 6w6d 6w2d 7w3d 6.9 13w1d 12w0d 14w1d

1.0 7w1d 6w4d 7w5d 7.0 13w1d 12w1d 14w2d

1.1 7w1d 6w4d 7w5d 7.1 13w2d 12w2d 14w3d

1.2 7w3d 6w6d 8w0d 7.2 13w3d 12w2d 14w3d

1.3 7w4d 6w6d 8w1d 7.3 13w3d 12w2d 14w3d

1.4 7w5d 7w1d 8w2d 7.4 13w4d 12w3d 14w4d

1.5 7w6d 7w2d 8w4d 7.5 13w4d 12w4d 14w5d

1.6 8w0d 7w3d 8w4d 7.6 13w5d 12w4d 14w6d

1.7 8w1d 7w3d 8w5d 7.7 13w6d 12w5d 14w6d

1.8 8w2d 7w4d 9w0d 7.8 13w6d 12w5d 14w6d

1.9 8w3d 7w5d 9w1d 7.9 13w6d 12w6d 15w0d

2.0 8w4d 7w6d 9w2d 8.0 14w0d 12w6d 15w1d

2.1 8w5d 8w0d 9w3d 8.1 14w1d 13w0d 15w2d

Reference Manual 49

Meas (cm) Age (wd) -2SD (wd) +2SD (wd) Meas (cm) Age (wd) -2SD (wd) +2SD (wd)

2.2 8w6d 8w1d 9w4d 8.2 14w1d 13w0d 15w2d

2.3 9w0d 8w2d 9w5d 8.3 14w1d 13w0d 15w2d

2.4 9w1d 8w3d 9w6d 8.4 14w2d 13w1d 15w3d

2.5 9w1d 8w3d 10w0d 8.5 14w3d 13w2d 15w4d

2.6 9w3d 8w5d 10w1d 8.6 14w4d 13w2d 15w5d

2.7 9w4d 8w5d 10w2d 8.7 14w4d 13w3d 15w5d

2.8 9w4d 8w6d 10w3d 8.8 14w5d 13w4d 15w6d

2.9 9w5d 8w6d 10w3d 8.9 14w6d 13w4d 16w0d

3.0 9w6d 9w1d 10w5d 9.0 14w6d 13w5d 16w1d

3.1 10w0d 9w1d 10w6d 9.1 15w0d 13w6d 16w1d

3.2 10w1d 9w2d 10w6d 9.2 15w1d 13w6d 16w2d

3.3 10w1d 9w3d 11w0d 9.3 15w1d 14w 16w3d

3.4 10w2d 9w3d 11w1d 9.4 15w2d 14w1d 16w4d

3.5 10w3d 9w4d 11w2d 9.5 15w2d 14w1d 16w4d

3.6 10w4d 9w5d 11w2d 9.6 15w3d 14w1d 16w4d

3.7 10w4d 9w5d 11w3d 9.7 15w4d 14w2d 16w5d

3.8 10w5d 9w6d 11w4d 9.8 15w4d 14w2d 16w6d

3.9 10w6d 10w0d 11w5d 9.9 15w5d 14w3d 17w0d

4.0 10w6d 10w0d 11w5d 10.0 15w6d 14w4d 17w1d

4.1 11w0d 10w1d 11w6d 10.1 16w0d 14w5d 17w2d

4.2 11w1d 10w1d 12w0d 10.2 16w1d 14w6d 17w3d

4.3 11w1d 10w2d 12w1d 10.3 16w1d 14w6d 17w3d

4.4 11w1d 10w2d 12w1d 10.4 16w2d 15w0d 17w4d

4.5 11w2d 10w3d 12w1d 10.5 16w3d 15w1d 17w5d

4.6 11w3d 10w3d 12w2d 10.6 16w4d 15w1d 17w6d

4.7 11w4d 10w4d 12w3d 10.7 16w4d 15w2d 17w6d

Meas (cm) Age (wd) -2SD (wd) +2SD (wd) Meas (cm) Age (wd) -2SD (wd) +2SD (wd)

4.8 11w4d 10w5d 12w4d 10.8 16w5d 15w3d 18w0d

4.9 11w5d 10w5d 12w4d 10.9 16w6d 15w3d 18w1d

5.0 11w5d 10w5d 12w4d 11.0 16w6d 15w4d 18w2d

5.1 11w6d 10w6d 12w5d 11.1 17w0d 15w4d 18w3d

5.2 11w6d 11w0d 12w6d 11.2 17w1d 15w5d 18w3d

5.3 12w0d 11w0d 13w0d 11.3 17w1d 15w6d 18w4d

5.4 12w0d 11w0d 13w0d 11.4 17w2d 15w6d 18w5d

5.5 12w1d 11w1d 13w0d 11.5 17w3d 16w0d 18w6d

5.6 12w1d 11w2d 13w1d 11.6 17w4d 16w1d 18w6d

5.7 12w2d 11w2d 13w2d 11.7 17w4d 16w1d 19w0d

5.8 12w2d 11w2d 13w2d 11.8 17w5d 16w2d 19w1d

5.9 12w3d 11w3d 13w3d 11.9 17w6d 16w3d 19w2d

6.0 12w4d 11w4d 13w4d 12.0 17w6d 16w3d 19w2d

6.1 12w4d 11w4d 13w4d 12.1 18w0d 16w4d 19w3d

Crown-Rump Length (CRL): OSAKA

GA Table

Osaka University Method 1989, 3 by Univ. Of Osaka

Meas (cm) Age (wd) Meas (cm) Age (wd) Meas (cm) Age (wd) Meas (cm) Age (wd)

0.90 07w1d 2.30 09w2d 3.70 10w4d 5.10 11w6d

1.00 07w3d 2.40 09w3d 3.80 10w5d 5.20 11w6d

1.10 07w4d 2.50 09w3d 3.90 10w6d 5.30 12w0d

1.20 07w6d 2.60 09w4d 4.00 10w6d 5.40 12w1d

1.30 08w0d 2.70 09w5d 4.10 11w0d 5.50 12w1d

Reference Manual 50

Meas (cm) Age (wd) Meas (cm) Age (wd) Meas (cm) Age (wd) Meas (cm) Age (wd)

1.40 08w1d 2.80 09w6d 4.20 11w0d 5.60 12w2d

1.50 08w2d 2.90 09w6d 4.30 11w1d 5.70 12w2d

1.60 08w3d 3.00 10w0d 4.40 11w2d 5.80 12w3d

1.70 08w4d 3.10 10w1d 4.50 11w2d 5.90 12w3d

1.80 08w5d 3.20 10w1d 4.60 11w3d 6.00 12w4d

1.90 08w6d 3.30 10w2d 4.70 11w3d 6.10 12w5d

2.00 09w0d 3.40 10w3d 4.80 11w4d 6.20 12w5d

2.10 09w0d 3.50 10w3d 4.90 11w5d 6.30 12w6d

2.20 09w1d 3.60 10w4d 5.00 11w6d

Fetal Growth Table

Osaka University Method 1989, 3 by Univ. Of Osaka

Age (w) Meas (cm) ±1.5SD (cm) Age (w) Meas (cm) ±1.5SD (cm)

6 0.52 0.10 10 2.99 0.28

7 0.90 0.14 11 4.06 0.31

8 1.41 0.19 12 5.32 0.31

9 2.11 0.24

Crown-Rump Length (CRL): ASUM(SCW)

GA Table

Australasian Society for Ultrasound in Medicine.

Policies and Statements – [D7] Statement On Normal Ultrasonic Fetal Measurements
(Revised May 2001)

GA = –0.0007 × (CRL × 10)

Output Unit: w (weeks)

Input Unit: cm

Min Range: 0.1 cm

Max Range: 8.7 cm

Fetal Growth Table

Australasian Society for Ultrasound in Medicine.

Policies and Statements – [D7] Statement On Normal Ultrasonic Fetal Measurements
(Revised May 2001)

Age (wd) Meas (cm) Age (wd) Meas (cm) Age (wd) Meas (cm)

05w2d 0.1 08w3d 2.0 11w4d 5.2

05w3d 0.2 08w4d 2.1 11w5d 5.5

05w4d 0.3 08w5d 2.2 11w6d 5.6

05w5d 0.3 08w6d 2.2 12w0d 5.7

05w6d 0.4 09w0d 2.3 12w1d 5.8

06w0d 0.4 09w1d 2.4 12w2d 6.0

06w1d 0.5 09w2d 2.6 12w3d 6.1

06w2d 0.6 09w3d 2.7 12w4d 6.3

06w3d 0.7 09w4d 2.8 12w5d 6.4

2

+ 0.1584 × (CRL × 10) + 5.2876

Reference Manual 51

Age (wd) Meas (cm) Age (wd) Meas (cm) Age (wd) Meas (cm)

06w4d 0.8 09w5d 2.9 12w6d 6.5

06w5d 0.9 09w6d 3.1 13w0d 6.8

06w6d 1.0 10w0d 3.4 13w1d 7.0

07w0d 1.1 10w1d 3.6 13w2d 7.2

07w1d 1.1 10w2d 3.7 13w3d 7.4

07w2d 1.2 10w3d 3.8 13w4d 7.6

07w3d 1.2 10w4d 3.9 13w5d 7.7

07w4d 1.3 10w5d 3.9 13w6d 8.0

07w5d 1.4 10w6d 4.0 14w0d 8.1

07w6d 1.5 11w0d 4.4 14w1d 8.4

08w0d 1.7 11w1d 4.5 14w2d 8.5

08w1d 1.8 11w2d 4.7 14w3d 8.6

08w2d 1.9 11w3d 4.8 14w4d 8.7

Crown-Rump Length (CRL): REMPEN

GA Table

Rempen A. “Biometrie in der Fruhgraviditat (I. Trimenon)” Der Frauenarzt, 32:425, 1991

Meas (cm) Age (wd) 5% (wd) 95% (wd) Meas (cm) Age (wd) 5% (wd) 95% (wd)

0.2 6w0d 5w1d 6w6d 4.1 10w5d 9w6d 11w4d

0.3 6w1d 5w2d 7w0d 4.2 10w6d 10w0d 11w5d

0.4 6w2d 5w3d 7w1d 4.3 11w0d 10w1d 11w6d

0.5 6w3d 5w4d 7w2d 4.4 11w0d 10w1d 11w6d

Meas (cm) Age (wd) 5% (wd) 95% (wd) Meas (cm) Age (wd) 5% (wd) 95% (wd)

0.6 6w4d 5w5d 7w3d 4.5 11w1d 10w2d 12w0d

0.7 6w5d 5w6d 7w4d 4.6 11w2d 10w3d 12w1d

0.8 6w6d 6w0d 7w5d 4.7 11w2d 10w3d 12w1d

0.9 7w0d 6w1d 7w6d 4.8 11w3d 10w4d 12w2d

1.0 7w1d 6w2d 8w0d 4.9 11w4d 10w5d 12w3d

1.1 7w2d 6w3d 8w1d 5.0 11w4d 10w5d 12w3d

1.2 7w3d 6w4d 8w2d 5.1 11w5d 10w6d 12w4d

1.3 7w4d 6w5d 8w3d 5.2 11w5d 10w6d 12w4d

1.4 7w5d 6w6d 8w4d 5.3 11w6d 11w0d 12w5d

1.5 7w6d 7w0d 8w5d 5.4 12w0d 11w1d 12w6d

1.6 7w6d 7w0d 8w5d 5.5 12w0d 11w1d 12w6d

1.7 8w0d 7w1d 8w6d 5.6 12w1d 11w2d 13w0d

1.8 8w1d 7w2d 9w0d 5.7 12w1d 11w2d 13w0d

1.9 8w2d 7w3d 9w1d 5.8 12w2d 11w3d 13w1d

2.0 8w3d 7w4d 9w2d 5.9 12w3d 11w4d 13w2d

2.1 8w4d 7w5d 9w3d 6.0 12w3d 11w4d 13w2d

2.2 8w5d 7w6d 9w4d 6.1 12w4d 11w5d 13w3d

2.3 8w5d 7w6d 9w4d 6.2 12w4d 11w5d 13w3d

2.4 8w6d 8w0d 9w5d 6.3 12w5d 11w6d 13w4d

2.5 9w0d 8w1d 9w6d 6.4 12w5d 11w6d 13w4d

2.6 9w1d 8w2d 10w0d 6.5 12w6d 12w0d 13w5d

2.7 9w2d 8w3d 10w1d 6.6 12w6d 12w0d 13w5d

2.8 9w3d 8w4d 10w2d 6.7 13w0d 12w1d 13w6d

2.9 9w3d 8w4d 10w2d 6.8 13w0d 12w1d 13w6d

Reference Manual 52

Meas (cm) Age (wd) 5% (wd) 95% (wd) Meas (cm) Age (wd) 5% (wd) 95% (wd)

3.0 9w4d 8w5d 10w3d 6.9 13w1d 12w2d 14w0d

3.1 9w5d 8w6d 10w4d 7.0 13w1d 12w2d 14w0d

3.2 9w6d 9w0d 10w5d 7.1 13w2d 12w3d 14w1d

3.3 9w6d 9w0d 10w5d 7.2 13w2d 12w3d 14w1d

3.4 10w0d 9w1d 10w6d 7.3 13w3d 12w4d 14w2d

3.5 10w1d 9w2d 11w0d 7.4 13w3d 12w4d 14w2d

3.6 10w2d 9w3d 11w1d 7.5 13w4d 12w5d 14w3d

3.7 10w2d 9w3d 11w1d 7.6 13w4d 12w5d 14w3d

3.8 10w3d 9w4d 11w2d 7.7 13w4d 12w5d 14w3d

3.9 10w4d 9w5d 11w3d 7.8 13w5d 12w6d 14w4d

4.0 10w5d 9w6d 11w4d

Fetal Growth Table

Rempen A. “Biometrie in der Fruhgraviditat (I. Trimenon)” Der Frauenarzt, 32:425, 1991

Age (wd) Meas (cm) 5% (cm) 95% (cm) Age (wd) Meas (cm) 5% (cm) 95% (cm)

05w5d 0.12 0.00 0.90 9w4d 2.95 2.17 3.73

05w6d 0.21 0.00 0.99 9w5d 3.07 2.29 3.85

06w0d 0.30 0.00 1.08 9w6d 3.20 2.42 3.98

06w1d 0.38 0.00 1.16 10w0d 3.33 2.55 4.11

06w2d 0.47 0.00 1.25 10w1d 3.46 2.68 4.24

06w3d 0.57 0.00 1.35 10w2d 3.59 2.81 4.37

6w4d 0.66 0.00 1.44 10w3d 3.72 2.94 4.50

6w5d 0.75 0.00 1.53 10w4d 3.85 3.07 4.63

6w6d 0.85 0.07 1.63 10w5d 3.99 3.21 4.77

Age (wd) Meas (cm) 5% (cm) 95% (cm) Age (wd) Meas (cm) 5% (cm) 95% (cm)

7w0d 0.95 0.17 1.73 10w6d 4.13 3.35 4.91

7w1d 1.05 0.27 1.83 11w0d 4.26 3.48 5.04

7w2d 1.15 0.37 1.93 11w1d 4.40 3.62 5.18

7w3d 1.25 0.47 2.03 11w2d 4.54 3.76 5.32

7w4d 1.35 0.57 2.13 11w3d 4.69 3.91 5.47

7w5d 1.46 0.68 2.24 11w4d 4.83 4.05 5.61

7w6d 1.56 0.78 2.34 11w5d 4.98 4.20 5.76

8w0d 1.67 0.89 2.45 11w6d 5.12 4.34 5.90

8w1d 1.78 1.00 2.56 12w0d 5.27 4.49 6.05

8w2d 1.89 1.11 2.67 12w1d 5.42 4.64 6.20

8w3d 2.00 1.22 2.78 12w2d 5.57 4.79 6.35

8w4d 2.11 1.33 2.89 12w3d 5.73 4.95 6.51

8w5d 2.23 1.45 3.01 12w4d 5.88 5.10 6.66

8w6d 2.35 1.57 3.13 12w5d 6.03 5.25 6.81

9w0d 2.46 1.68 3.24 12w6d 6.19 5.41 6.97

9w1d 2.58 1.80 3.36 13w0d 6.35 5.57 7.13

9w2d 2.70 1.92 3.48 13w1d 6.51 5.73 7.29

9w3d 2.83 2.05 3.61 13w2d 6.67 5.89 7.45

Reference Manual 53

Femur Length (FL): KOREAN

GA Table

Y.G Park. “ The Standardization of Fetal body parts according to the normal Korean Gestational
Age in Ultrasound” Korean Ultrasound Institute, Vol. 14, No.2, 1995

GA = FL × 2.36855 + 0.2089 × FL

Output Unit: w (weeks)

Input Unit: cm

Min Range: 0.7 cm

Max Range: 7.3 cm

Fetal Growth Table

Y.G Park. “ The Standardization of Fetal body parts according to the normal Korean
Gestational Age in Ultrasound” Korean Ultrasound Institute, Vol. 14, No.2, 1995

Age (w) Meas (cm) ±SD (cm) Age (w) Meas (cm) ±SD (cm)

12 0.790 0.142 32 6.100 0.205

16 1.900 0.133 34 6.461 0.226

20 3.000 0.204 36 6.710 0.222

24 4.190 0.198 38 7.013 0.245

28 5.196 0.209 40 7.287 0.216

2

+ 10.513242

Femur Length (FL): HADLOCK

GA Table

Frank P. Hadlock, Russell L. Deter, Ronald B. Harrist, Seung K. Park,. “Estimating Fetal Age:
Computer-Assisted Analysis of Multiple Fetal Growth Parameters” Radiology, 1984; 152:497-

501.

GA = 10.35 + 2.460 × FL + 0.170 × FL

Output Unit: w (weeks)

Input Unit: cm

Min Range: 0.64 cm

Max Range: 8.20 cm

Standard Deviation:

Min Range (w) Max Range (w) ±2SD (w)

12 18 1.38

18 24 1.80

24 30 2.08

30 36 2.96

36 42 3.12

Fetal Growth Table

Hadlock, F., Deter, R.L., Harrist, R.B., Park, S.K. “Estimating Fetal Age: Computer-Assisted
Analysis of Multiple Fetal Growth Parameters” Radiology, 1984, 152: 497-501.

Equation = 0.427 × MA – 0.0034 × MA

Output Unit: cm

Input Unit: w (weeks)

Min Range: 12 w

Max Range: 40 w

Standard Deviation: 2SD = 0.6 cm

2

2

– 3.91

Reference Manual 54

Femur Length (FL): MERZ

GA Table

E. Merz, W. Goldhofer, E. Timor-Tritsch “Ultrasound in Gynecology and Obstetrics” Textbook
and Atlas, 1991 Georg Thieme Verlag, 308-338

Meas (cm) Age (wd) 5% (wd) 95% (wd) Meas (cm) Age (wd) 5% (wd) 95% (wd)

1.0 12w2d 11w1d 13w4d 4.6 25w3d 23w4d 27w1d

1.1 12w5d 11w4d 13w6d 4.7 25w6d 24w0d 27w4d

1.2 13w0d 11w6d 14w1d 4.8 26w1d 24w3d 28w0d

1.3 13w2d 12w1d 14w4d 4.9 26w4d 24w5d 28w2d

1.4 13w5d 12w3d 15w0d 5.0 26w6d 25w1d 28w5d

1.5 14w0d 12w5d 15w2d 5.1 27w2d 25w4d 29w1d

1.6 14w3d 13w1d 15w5d 5.2 27w5d 25w6d 29w4d

1.7 14w5d 13w3d 16w0d 5.3 28w1d 26w1d 30w0d

1.8 15w1d 13w6d 16w3d 5.4 28w4d 26w4d 30w4d

1.9 15w3d 14w1d 16w5d 5.5 29w0d 27w0d 31w0d

2.0 15w6d 14w4d 17w1d 5.6 29w3d 27w3d 31w3d

2.1 16w1d 14w6d 17w3d 5.7 29w6d 27w6d 31w6d

2.2 16w4d 15w1d 17w6d 5.8 30w1d 28w1d 32w1d

2.3 16w6d 15w3d 18w1d 5.9 30w4d 28w4d 32w4d

2.4 17w1d 15w6d 18w4d 6.0 31w0d 29w0d 33w0d

2.5 17w4d 16w1d 19w1d 6.1 31w4d 29w4d 33w4d

2.6 17w6d 16w3d 19w3d 6.2 31w6d 29w6d 33w6d

2.7 18w2d 16w6d 19w6d 6.3 32w2d 30w2d 34w2d

2.8 18w4d 17w1d 20w1d 6.4 32w6d 30w6d 34w6d

Meas (cm) Age (wd) 5% (wd) 95% (wd) Meas (cm) Age (wd) 5% (wd) 95% (wd)

2.9 19w0d 17w4d 20w4d 6.5 33w1d 31w1d 35w1d

3.0 19w3d 17w6d 20w6d 6.6 33w4d 31w4d 35w4d

3.1 19w5d 18w1d 21w1d 6.7 34w1d 32w0d 36w1d

3.2 20w1d 18w4d 21w4d 6.8 34w4d 32w3d 36w4d

3.3 20w4d 18w6d 22w1d 6.9 35w0d 32w6d 37w1d

3.4 20w6d 19w1d 22w3d 7.0 35w3d 33w2d 37w4d

3.5 21w1d 19w4d 22w6d 7.1 35w6d 33w6d 38w0d

3.6 21w4d 20w0d 23w1d 7.2 36w2d 34w1d 38w3d

3.7 21w6d 20w2d 23w4d 7.3 36w6d 34w4d 39w0d

3.8 22w2d 20w5d 23w6d 7.4 37w2d 35w1d 39w4d

3.9 22w5d 21w0d 24w3d 7.5 37w5d 35w4d 39w6d

4.0 23w1d 21w3d 24w6d 7.6 38w1d 36w0d 40w3d

4.1 23w3d 21w5d 25w1d 7.7 38w5d 36w4d 40w6d

4.2 23w6d 22w1d 25w4d 7.8 39w1d 37w0d 41w3d

4.3 24w1d 22w4d 25w6d 7.9 39w4d 37w3d 41w6d

4.4 24w4d 22w6d 26w3d 8.0 40w1d 37w6d 42w2d

4.5 25w0d 23w1d 26w6d

Reference Manual 55

Fetal Growth Table

E. Merz, W. Goldhofer, E. Timor-Tritsch “Ultrasound in Gynecology and Obstetrics” Textbook
and Atlas, 1991 Georg Thieme Verlag, 308-338

Age (w) Meas (cm) 5% (cm) 95% (cm) Age (w) Meas (cm) 5% (cm) 95% (cm)

12 0.90 0.50 1.30 27 5.10 4.60 5.60

13 1.20 0.80 1.60 28 5.30 4.90 5.80

14 1.50 1.10 1.90 29 5.60 5.10 6.10

15 1.80 1.40 2.20 30 5.80 5.30 6.30

16 2.10 1.70 2.50 31 6.00 5.60 6.50

17 2.40 2.00 2.80 32 6.30 5.80 6.80

18 2.70 2.20 3.10 33 6.50 6.00 7.00

19 3.00 2.50 3.40 34 6.70 6.20 7.20

20 3.20 2.80 3.70 35 6.90 6.40 7.40

21 3.50 3.10 4.00 36 7.10 6.60 7.60

22 3.80 3.40 4.20 37 7.30 6.80 7.80

23 4.10 3.60 4.50 38 7.50 6.90 8.00

24 4.30 3.90 4.80 39 7.60 7.10 8.20

25 4.60 4.10 5.10 40 7.80 7.30 8.40

26 4.90 4.40 5.30

Femur Length (FL): HANSMANN

GA Table

Hansmann, Hackeloer, Staudach, Wittman. “Ultrasound Diagnosis in Obsterics and
Gynecology.” Springer-Verlag, New York, 1986, p431.

Meas (cm) Age (wd) Meas (cm) Age (wd) Meas (cm) Age (wd)

1.0 13w0d 3.9 23w0d 6.3 33w0d

1.2 14w0d 4.1 24w0d 6.5 34w0d

1.6 15w0d 4.4 25w0d 6.7 35w0d

1.8 16w0d 4.7 26w0d 6.9 36w0d

2.2 17w0d 4.9 27w0d 7.1 37w0d

2.5 18w0d 5.1 28w0d 7.3 38w0d

2.8 19w0d 5.4 29w0d 7.4 39w0d

3.1 20w0d 5.6 30w0d 7.5 40w0d

3.4 21w0d 5.9 31w0d

3.6 22w0d 6.1 32w0d

Fetal Growth Table

Hansmann, Hackeloer, Staudach, Wittman “Ultrasound Diagnosis in Obstetrics and
Gynecology” Springer- Verlag, New York, 1986, p.182.

Age (w) Meas (cm) 5% (cm) 95% (cm)

12 0.8 0.4 1.3

13 1.1 0.6 1.6

14 1.4 0.9 1.8

Reference Manual 56

Age (w) Meas (cm) 5% (cm) 95% (cm)

15 1.7 1.2 2.1

16 2.0 1.5 2.4

17 2.3 1.8 2.7

18 2.5 2.1 3.0

19 2.8 2.4 3.3

20 3.1 2.6 3.6

21 3.4 2.9 3.8

22 3.6 3.2 4.1

23 3.9 3.5 4.4

24 4.2 3.7 4.6

25 4.4 4.0 4.9

26 4.7 4.2 5.1

27 4.9 4.5 5.4

28 5.2 4.7 5.6

29 5.4 5.0 5.9

30 5.6 5.2 6.1

31 5.9 5.4 6.3

32 6.1 5.6 6.5

33 6.3 5.8 6.7

34 6.5 6.0 6.9

35 6.7 6.2 7.1

36 6.8 6.4 7.3

37 7.0 6.5 7.4

38 7.1 6.7 7.6

Age (w) Meas (cm) 5% (cm) 95% (cm)

39 7.3 6.8 7.7

40 7.4 7.0 7.9

Femur Length (FL): HOHLER

GA Table

Hohler, C.W., Quetel, T.A. “Fetal Femur Length: Equations for Computer Calculation of
Gestational Age from Ultrasound Measurements.” American Journal of Obsterics and
Gynecology, Vol. 143, No. 4: 479-481, June 15, 1982

GA = 9.18 + 2.67 × FL + 0.16 × FL

Output Unit: w (weeks)

Input Unit: cm

Min Range: 1.0 cm

Max Range: 8.0 cm

2

Femur Length (FL): JEANTY

GA Table

Jeanty et al., “Estimation of Gestational Age from Measurements of Fetal Long Bones”
Journal of Ultrasound in Medicine, February 1984. Vol 3. pp75-79

Meas (cm) Age (wd) 5% (wd) 95% (wd)

1.0 12w4d 10w3d 14w6d

1.1 12w6d 10w5d 15w1d

1.2 13w2d 11w1d 15w4d

1.3 13w4d 11w3d 15w6d

Reference Manual 57

Meas (cm) Age (wd) 5% (wd) 95% (wd)

1.4 13w6d 11w5d 16w1d

1.5 14w1d 12w0d 16w3d

1.6 14w4d 12w3d 16w6d

1.7 14w6d 12w5d 17w1d

1.8 15w1d 13w0d 17w3d

1.9 15w4d 13w3d 17w6d

2.0 15w6d 13w5d 18w1d

2.1 16w2d 14w1d 18w4d

2.2 16w4d 14w3d 18w6d

2.3 16w6d 14w5d 19w1d

2.4 17w2d 15w1d 19w4d

2.5 17w4d 15w3d 19w6d

2.6 18w0d 15w6d 20w1d

2.7 18w2d 16w1d 20w4d

2.8 18w5d 16w4d 20w6d

2.9 19w0d 16w6d 21w1d

3.0 19w3d 17w1d 21w4d

3.1 19w6d 17w4d 22w0d

3.2 20w1d 17w6d 22w2d

3.3 20w4d 18w2d 22w5d

3.4 20w6d 18w5d 23w1d

3.5 21w1d 19w0d 23w3d

3.6 21w4d 19w3d 23w6d

3.7 22w0d 19w6d 24w1d

Meas (cm) Age (wd) 5% (wd) 95% (wd)

3.8 22w3d 20w1d 24w4d

3.9 22w5d 20w4d 24w6d

4.0 23w1d 20w6d 25w2d

4.1 23w4d 21w2d 25w5d

4.2 23w6d 21w5d 26w1d

4.3 24w2d 22w1d 26w4d

4.4 24w5d 22w4d 26w6d

4.5 25w0d 22w6d 27w1d

4.6 25w3d 23w1d 27w4d

4.7 25w6d 23w4d 28w0d

4.8 26w1d 24w0d 28w3d

4.9 26w4d 24w3d 29w6d

5.0 27w0d 24w6d 29w1d

5.1 27w3d 25w1d 29w4d

5.2 27w6d 25w4d 30w0d

5.3 28w1d 26w0d 30w3d

5.4 28w4d 26w3d 30w6d

5.5 29w1d 26w6d 31w2d

5.6 29w4d 27w2d 31w5d

5.7 29w6d 27w5d 32w1d

5.8 30w2d 28w1d 32w4d

5.9 30w5d 28w4d 32w6d

6.0 31w1d 28w6d 33w2d

6.1 31w4d 29w3d 33w6d

Reference Manual 58

Meas (cm) Age (wd) 5% (wd) 95% (wd)

6.2 32w0d 29w6d 34w1d

6.3 32w3d 30w1d 34w4d

6.4 32w6d 30w5d 35w1d

6.5 33w2d 31w1d 35w4d

6.6 33w5d 31w4d 35w6d

6.7 34w1d 32w0d 36w3d

6.8 34w4d 32w3d 36w6d

6.9 35w0d 32w6d 37w1d

7.0 35w4d 33w2d 37w5d

7.1 35w6d 33w5d 38w1d

7.2 36w3d 34w1d 38w4d

7.3 36w6d 34w4d 39w0d

7.4 37w2d 35w1d 39w4d

7.5 37w5d 35w4d 39w6d

7.6 38w1d 36w0d 40w3d

7.7 38w4d 36w3d 40w6d

7.8 39w1d 36w6d 41w2d

7.9 39w4d 37w2d 41w5d

8.0 40w0d 37w6d 42w1d

Fetal Growth Table

Jeanty, P. “Fetal Limb Biometry” (Letter) Radiology, 147: 602, 1983

Age (w) Meas (cm) 5% (cm) 95% (cm)

11 0.6 0.6 0.6

Age (w) Meas (cm) 5% (cm) 95% (cm)

12 0.9 0.9 0.9

13 1.2 0.6 1.9

14 1.5 0.5 1.9

15 1.9 1.1 2.6

16 2.2 1.3 2.4

17 2.5 2.0 2.9

18 2.8 1.9 3.1

19 3.1 2.3 3.8

20 3.3 2.2 3.9

21 3.6 2.7 4.5

22 3.9 2.9 4.4

23 4.1 3.5 4.8

24 4.4 3.4 4.9

25 4.6 3.8 5.4

26 4.9 3.9 5.3

27 5.1 4.5 5.7

28 5.3 4.5 5.7

29 5.6 4.9 6.2

30 5.8 4.9 6.2

31 6 5.3 6.7

32 6.2 5.3 6.7

33 6.4 5.6 7.1

34 6.5 5.7 7.0

35 6.7 6.1 7.3

Reference Manual 59

Age (w) Meas (cm) 5% (cm) 95% (cm)

36 6.9 6.1 7.4

37 7.1 6.4 7.7

38 7.2 6.2 7.9

39 7.4 6.4 8.3

40 7.5 6.6 8.1

Femur Length (FL): SHINOZUKA

GA Table

Norio Shinozuka, Takashi Okai, et al. “Standard Values of Ultrasonographic Fetal Biometry”
Japanese Journal of Medical Ultrasonics, Vol.23, No.12, 1996, pp877-888

Meas (cm) Age (wd) -SD (wd) +SD (wd)

2.00 16w1d 15w2d 17w0d

2.10 16w3d 15w4d 17w2d

2.20 16w6d 16w0d 17w5d

2.30 17w1d 16w1d 18w1d

2.40 17w3d 16w3d 18w3d

2.50 17w6d 16w6d 18w6d

2.60 18w1d 17w1d 19w1d

2.70 18w3d 17w3d 19w3d

2.80 18w6d 17w6d 19w6d

2.90 19w1d 18w1d 20w1d

3.00 19w4d 18w3d 20w5d

3.10 20w0d 18w6d 21w1d

Meas (cm) Age (wd) -SD (wd) +SD (wd)

3.20 20w2d 19w1d 21w3d

3.30 20w5d 19w4d 21w6d

3.40 21w1d 20w0d 22w2d

3.50 21w3d 20w2d 22w4d

3.60 21w6d 20w5d 23w0d

3.70 22w2d 21w0d 23w4d

3.80 22w5d 21w3d 24w0d

3.90 23w1d 21w6d 24w3d

4.00 23w4d 22w2d 24w6d

4.10 24w0d 22w5d 25w2d

4.20 24w3d 23w1d 25w5d

4.30 24w6d 23w4d 26w1d

4.40 25w3d 24w1d 26w5d

4.50 25w6d 24w3d 27w2d

4.60 26w2d 24w6d 27w5d

4.70 26w5d 25w2d 28w1d

4.80 27w2d 25w6d 28w5d

4.90 27w5d 26w2d 29w1d

5.00 28w2d 26w6d 29w5d

5.10 28w5d 27w2d 30w1d

5.20 29w2d 27w5d 30w6d

5.30 29w5d 28w1d 31w2d

5.40 30w2d 28w5d 31w6d

5.50 30w5d 29w1d 32w2d

Reference Manual 60

Meas (cm) Age (wd) -SD (wd) +SD (wd)

5.60 31w2d 29w5d 32w6d

5.70 31w6d 30w2d 33w3d

5.80 32w3d 30w6d 34w0d

5.90 33w0d 31w2d 34w5d

6.00 33w3d 31w5d 35w1d

6.10 34w0d 32w2d 35w5d

6.20 34w4d 32w6d 36w2d

6.30 35w1d 33w3d 36w6d

6.40 35w5d 34w0d 37w3d

6.50 36w2d 34w4d 38w0d

6.60 37w0d 35w2d 38w5d

6.70 37w4d 35w5d 39w3d

6.80 38w1d 36w2d 40w0d

6.90 38w5d 36w6d 40w4d

7.00 39w3d 37w4d 41w2d

Fetal Growth Table

Norio Shinozuka, Takashi Okai, et al “Standard Values of Ultrasonographic Fetal Biometry”
Japanese Journal of Medical Ultrasonics, Vol.23, No.12, 1996, pp877-888

Age (wd) Meas (cm) -1.5SD (cm) +1.5SD (cm)

16w3d 2.14 1.74 2.54

17w3d 2.40 1.99 2.80

18w3d 2.65 2.25 3.06

Age (wd) Meas (cm) -1.5SD (cm) +1.5SD (cm)

19w3d 2.91 2.50 3.32

20w3d 3.16 2.74 3.58

21w3d 3.41 2.99 3.84

22w3d 3.66 3.23 4.09

23w3d 3.91 3.47 4.34

24w3d 4.15 3.71 4.59

25w3d 4.39 3.94 4.83

26w3d 4.62 4.17 5.07

27w3d 4.84 4.39 5.30

28w3d 5.06 4.61 5.52

29w3d 5.28 4.81 5.74

30w3d 5.48 5.01 5.95

31w3d 5.68 5.21 6.16

32w3d 5.87 5.39 6.35

33w3d 6.05 5.57 6.54

34w3d 6.22 5.73 6.71

35w3d 6.38 5.89 6.88

36w3d 6.53 6.03 7.03

37w3d 6.67 6.17 7.18

38w3d 6.80 6.29 7.31

39w3d 6.91 6.40 7.43

40w3d 7.01 6.49 7.53

41w3d 7.10 6.57 7.62

42w3d 7.17 6.64 7.70

Reference Manual 61

Femur Length (FL): JSUM

GA Table

Norio Shinozuka, Takashi Okai, et al. “Standard Values of Ultrasonographic Fetal Biometry”
Journal of Medical Ultrasonics, Vol.30, No.3, pp. 416-440, 2003

Meas (cm) Age (wd) -SD (wd) +SD (wd)

2.00 16w1d 15w2d 17w0d

2.10 16w3d 15w4d 17w2d

2.20 16w6d 16w0d 17w5d

2.30 17w1d 16w1d 18w1d

2.40 17w3d 16w3d 18w3d

2.50 17w6d 16w6d 18w6d

2.60 18w1d 17w1d 19w1d

2.70 18w3d 17w3d 19w3d

2.80 18w6d 17w6d 19w6d

2.90 19w1d 18w1d 20w1d

3.00 19w4d 18w3d 20w5d

3.10 20w0d 18w6d 21w1d

3.20 20w2d 19w1d 21w3d

3.30 20w5d 19w4d 21w6d

3.40 21w1d 20w0d 22w2d

3.50 21w3d 20w2d 22w4d

3.60 21w6d 20w5d 23w0d

3.70 22w2d 21w0d 23w4d

3.80 22w5d 21w3d 24w0d

Meas (cm) Age (wd) -SD (wd) +SD (wd)

3.90 23w1d 21w6d 24w3d

4.00 23w4d 22w2d 24w6d

4.10 24w0d 22w5d 25w2d

4.20 24w3d 23w1d 25w5d

4.30 24w6d 23w4d 26w1d

4.40 25w3d 24w1d 26w5d

4.50 25w6d 24w3d 27w2d

4.60 26w2d 24w6d 27w5d

4.70 26w5d 25w2d 28w1d

4.80 27w2d 25w6d 28w5d

4.90 27w5d 26w2d 29w1d

5.00 28w2d 26w6d 29w5d

5.10 28w5d 27w2d 30w1d

5.20 29w2d 27w5d 30w6d

5.30 29w5d 28w1d 31w2d

5.40 30w2d 28w5d 31w6d

5.50 30w5d 29w1d 32w2d

5.60 31w2d 29w5d 32w6d

5.70 31w6d 30w2d 33w3d

5.80 32w3d 30w6d 34w0d

5.90 33w0d 31w2d 34w5d

6.00 33w3d 31w5d 35w1d

6.10 34w0d 32w2d 35w5d

6.20 34w4d 32w6d 36w2d

Reference Manual 62

Meas (cm) Age (wd) -SD (wd) +SD (wd)

6.30 35w1d 33w3d 36w6d

6.40 35w5d 34w0d 37w3d

6.50 36w2d 34w4d 38w0d

6.60 37w0d 35w2d 38w5d

6.70 37w4d 35w5d 39w3d

6.80 38w1d 36w2d 40w0d

6.90 38w5d 36w6d 40w4d

7.00 39w3d 37w4d 41w2d

Fetal Growth Table

Norio Shinozuka, Takashi Okai, et al. “Standard Values of Ultrasonographic Fetal Biometry“
Journal of Medical Ultrasonics, Vol.30, No.3, pp. 416-440, 2003

Age (wd) Meas (cm) -1.5SD (cm) +1.5SD (cm)

16w3d 2.14 1.74 2.54

17w3d 2.40 1.99 2.80

18w3d 2.65 2.25 3.06

19w3d 2.91 2.50 3.32

20w3d 3.16 2.74 3.58

21w3d 3.41 2.99 3.84

22w3d 3.66 3.23 4.09

23w3d 3.91 3.47 4.34

24w3d 4.15 3.71 4.59

25w3d 4.39 3.94 4.83

Age (wd) Meas (cm) -1.5SD (cm) +1.5SD (cm)

26w3d 4.62 4.17 5.07

27w3d 4.84 4.39 5.30

28w3d 5.06 4.61 5.52

29w3d 5.28 4.81 5.74

30w3d 5.48 5.01 5.95

31w3d 5.68 5.21 6.16

32w3d 5.87 5.39 6.35

33w3d 6.05 5.57 6.54

34w3d 6.22 5.73 6.71

35w3d 6.38 5.89 6.88

36w3d 6.53 6.03 7.03

37w3d 6.67 6.17 7.18

38w3d 6.80 6.29 7.31

39w3d 6.91 6.40 7.43

40w3d 7.01 6.49 7.53

41w3d 7.10 6.57 7.62

42w3d 7.17 6.64 7.70

Reference Manual 63

Femur Length (FL): OSAKA

GA Table

Osaka University Method 1989, 3 by Univ. Of Osaka

Meas (cm) Age (wd) Meas (cm) Age (wd) Meas (cm) Age (wd) Meas (cm) Age (wd)

0.90 13w0d 2.50 18w1d 4.10 24w1d 5.70 31w3d

1.00 13w2d 2.60 18w4d 4.20 24w4d 5.80 31w6d

1.10 13w4d 2.70 18w6d 4.30 25w0d 5.90 32w3d

1.20 13w6d 2.80 19w2d 4.40 25w3d 6.00 32w6d

1.30 14w1d 2.90 19w4d 4.50 25w6d 6.10 33w4d

1.40 14w4d 3.00 20w0d 4.60 26w2d 6.20 34w1d

1.50 14w6d 3.10 20w2d 4.70 26w4d 6.30 34w4d

1.60 15w1d 3.20 20w5d 4.80 27w1d 6.40 35w2d

1.70 15w3d 3.30 21w0d 4.90 27w4d 6.50 35w5d

1.80 15w5d 3.40 21w3d 5.00 28w0d 6.60 36w3d

1.90 16w1d 3.50 21w5d 5.10 28w3d 6.70 36w6d

2.00 16w3d 3.60 22w1d 5.20 28w6d 6.80 37w1d

2.10 16w6d 3.70 22w4d 5.30 29w2d 6.90 38w3d

2.20 17w1d 3.80 23w1d 5.40 29w6d 7.00 39w1d

2.30 17w3d 3.90 23w2d 5.50 30w2d 7.10 39w6d

2.40 18w0d 4.00 23w5d 5.60 30w6d

Fetal Growth Table

Osaka University Method 1989, 3 by Univ. Of Osaka

Age (wd) Meas (cm) ±SD (cm) Age (wd) Meas (cm) ±SD (cm)

13w0d 0.94 0.21 26w4d 4.69 0.26

13w1d 0.98 0.21 26w5d 4.72 0.27

13w2d 1.03 0.21 26w6d 4.75 0.27

13w3d 1.07 0.21 27w0d 4.78 0.27

13w4d 1.12 0.21 27w1d 4.82 0.27

13w5d 1.17 0.21 27w2d 4.85 0.27

13w6d 1.21 0.22 27w3d 4.88 0.27

14w0d 1.26 0.22 27w4d 4.91 0.27

14w1d 1.30 0.22 27w5d 4.91 0.27

14w2d 1.35 0.22 27w6d 4.97 0.27

14w3d 1.39 0.22 28w0d 5.01 0.27

14w4d 1.44 0.22 28w1d 5.04 0.27

14w5d 1.48 0.22 28w2d 5.07 0.27

14w6d 1.53 0.22 28w3d 5.10 0.27

15w0d 1.57 0.22 28w4d 5.13 0.27

15w1d 1.61 0.22 28w5d 5.16 0.27

15w2d 1.66 0.22 28w6d 5.19 0.27

15w3d 1.70 0.22 29w0d 5.22 0.27

15w4d 1.75 0.22 29w1d 5.25 0.27

15w5d 1.79 0.22 29w2d 5.28 0.28

15w6d 1.83 0.22 29w3d 5.31 0.28

16w0d 1.88 0.22 29w4d 5.34 0.28

16w1d 1.92 0.22 29w5d 5.37 0.28

16w2d 1.96 0.22 29w6d 5.40 0.28

Reference Manual 64

Age (wd) Meas (cm) ±SD (cm) Age (wd) Meas (cm) ±SD (cm)

16w3d 2.01 0.23 30w0d 5.43 0.28

16w4d 2.05 0.23 30w1d 5.46 0.28

16w5d 2.09 0.23 30w2d 5.49 0.28

16w6d 2.13 0.23 30w3d 5.52 0.28

17w0d 2.18 0.23 30w4d 5.54 0.28

17w1d 2.22 0.23 30w5d 5.57 0.28

17w2d 2.26 0.23 30w6d 5.60 0.28

17w3d 2.30 0.23 31w0d 5.63 0.28

17w4d 2.34 0.23 31w1d 5.66 0.28

17w5d 2.39 0.23 31w2d 5.69 0.28

17w6d 2.43 0.23 31w3d 5.71 0.28

18w0d 2.47 0.23 31w4d 5.74 0.28

18w1d 2.51 0.23 31w5d 5.77 0.28

18w2d 2.55 0.23 31w6d 5.80 0.29

18w3d 2.59 0.23 32w0d 5.82 0.29

18w4d 2.63 0.23 32w1d 5.85 0.29

18w5d 2.67 0.23 32w2d 5.88 0.29

18w6d 2.71 0.23 32w3d 5.90 0.29

19w0d 2.75 0.24 32w4d 5.93 0.29

19w1d 2.79 0.24 32w5d 5.96 0.29

19w2d 2.83 0.24 32w6d 5.98 0.29

19w3d 2.87 0.24 33w0d 6.01 0.29

19w4d 2.91 0.24 33w1d 6.04 0.29

19w5d 2.95 0.24 33w2d 6.06 0.29

19w6d 2.99 0.24 33w3d 6.09 0.29

20w0d 3.03 0.24 33w4d 6.11 0.29

Age (wd) Meas (cm) ±SD (cm) Age (wd) Meas (cm) ±SD (cm)

20w1d 3.07 0.24 33w5d 6.14 0.29

20w2d 3.11 0.24 33w6d 6.16 0.29

20w3d 3.15 0.24 34w0d 6.19 0.29

20w4d 3.19 0.24 34w1d 6.21 0.29

20w5d 3.23 0.24 34w2d 6.24 0.29

20w6d 3.27 0.24 34w3d 6.26 0.30

21w0d 3.30 0.24 34w4d 6.29 0.30

21w1d 3.34 0.24 34w5d 6.31 0.30

21w2d 3.38 0.24 34w6d 6.34 0.30

21w3d 3.42 0.24 35w0d 6.36 0.30

21w4d 3.46 0.25 35w1d 6.39 0.30

21w5d 3.49 0.25 35w2d 6.41 0.30

21w6d 3.53 0.25 35w3d 6.43 0.30

22w0d 3.57 0.25 35w4d 6.46 0.30

22w1d 3.61 0.25 35w5d 6.48 0.30

22w2d 3.64 0.25 35w6d 6.50 0.30

22w3d 3.68 0.25 36w0d 6.53 0.30

22w4d 3.72 0.25 36w1d 6.55 0.30

22w5d 3.75 0.25 36w2d 6.57 0.30

22w6d 3.79 0.25 36w3d 6.60 0.30

23w0d 3.83 0.25 36w4d 6.62 0.30

23w1d 3.86 0.25 36w5d 6.64 0.30

23w2d 3.90 0.25 36w6d 6.66 0.30

23w3d 3.93 0.25 37w0d 6.69 0.31

23w4d 3.97 0.25 37w1d 6.71 0.31

23w5d 4.01 0.25 37w2d 6.73 0.31

Reference Manual 65

Age (wd) Meas (cm) ±SD (cm) Age (wd) Meas (cm) ±SD (cm)

23w6d 4.04 0.25 37w3d 6.75 0.31

24w0d 4.08 0.25 37w4d 6.77 0.31

24w1d 4.11 0.26 37w5d 6.79 0.31

24w2d 4.15 0.26 37w6d 6.82 0.31

24w3d 4.18 0.26 38w0d 6.84 0.31

24w4d 4.22 0.26 38w1d 6.86 0.31

24w5d 4.25 0.26 38w2d 6.88 0.31

24w6d 4.28 0.26 38w3d 6.90 0.31

25w0d 4.32 0.26 38w4d 6.92 0.31

25w1d 4.35 0.26 38w5d 6.94 0.31

25w2d 4.39 0.26 38w6d 6.96 0.31

25w3d 4.42 0.26 39w0d 6.98 0.31

25w4d 4.45 0.26 39w1d 7.00 0.31

25w5d 4.49 0.26 39w2d 7.02 0.31

25w6d 4.52 0.26 39w3d 7.04 0.31

26w0d 4.56 0.26 39w4d 7.06 0.32

26w1d 4.59 0.26 39w5d 7.08 0.32

26w2d 4.62 0.26 39w6d 7.10 0.32

26w3d 4.65 0.26 40w0d 7.12 0.32

Femur Length (FL): CHITTY

GA Table

D.G. Altman, L.S. Chitty, “New Charts for Ultrasound Dating of Pregnancy” Ultrasound in
Obstetrics and Gynecology, Vol.10, p174-191, 1997

Meas (cm) Age (wd) 5% (wd) 95% (wd) Meas (cm) Age (wd) 5% (wd) 95% (wd)

1.00 13w0d 12w1d 13w6d 3.90 22w4d 20w5d 24w3d

1.10 13w2d 12w3d 14w1d 4.00 22w6d 21w1d 24w6d

1.20 13w4d 12w5d 14w4d 4.10 23w2d 21w3d 25w2d

1.30 13w6d 13w0d 14w6d 4.20 23w5d 21w6d 25w5d

1.40 14w1d 13w1d 15w1d 4.30 24w1d 22w1d 26w1d

1.50 14w3d 13w3d 15w3d 4.40 24w3d 22w4d 26w4d

1.60 14w5d 13w5d 15w6d 4.50 24w6d 22w6d 27w1d

1.70 15w0d 14w0d 16w1d 4.60 25w2d 23w2d 27w4d

1.80 15w2d 14w2d 16w3d 4.70 25w5d 23w4d 28w0d

1.90 15w5d 14w4d 16w6d 4.80 26w1d 24w0d 28w3d

2.00 16w0d 14w6d 17w1d 4.90 26w4d 24w3d 29w0d

2.10 16w2d 15w1d 17w3d 5.00 27w0d 24w5d 29w3d

2.20 16w4d 15w3d 17w6d 5.10 27w3d 25w1d 30w0d

2.30 16w6d 15w5d 18w1d 5.20 27w6d 25w4d 30w3d

2.40 17w2d 16w0d 18w4d 5.30 28w2d 26w0d 31w0d

2.50 17w4d 16w2d 18w6d 5.40 28w5d 26w2d 31w3d

2.60 17w6d 16w4d 19w2d 5.50 29w2d 26w5d 32w0d

2.70 18w2d 16w6d 19w5d 5.60 29w5d 27w1d 32w3d

2.80 18w4d 17w1d 20w0d 5.70 30w1d 27w4d 33w0d

Reference Manual 66

Meas (cm) Age (wd) 5% (wd) 95% (wd) Meas (cm) Age (wd) 5% (wd) 95% (wd)

2.90 18w6d 17w4d 20w3d 5.80 30w4d 28w0d 33w4d

3.00 19w2d 17w6d 20w5d 5.90 31w1d 28w3d 34w1d

3.10 19w4d 18w1d 21w1d 6.00 31w4d 28w6d 34w4d

3.20 20w0d 18w3d 21w4d 6.10 32w1d 29w2d 35w1d

3.30 20w2d 18w5d 22w0d 6.20 32w4d 29w5d 35w5d

3.40 20w5d 19w1d 22w2d 6.30 33w1d 30w1d 36w2d

3.50 21w0d 19w3d 22w5d 6.40 33w4d 30w4d 36w6d

3.60 21w3d 19w5d 23w1d 6.50 34w1d 31w0d 37w3d

3.70 21w5d 20w1d 23w4d 6.60 34w4d 31w3d 38w0d

3.80 22w1d 20w3d 24w0d 6.70 35w1d 32w0d 38w5d

Fetal Growth Table

L.S. Chitty, D.G. Altman, S. Campbell, “Charts of Fetal Size: 4. Femur Length” British Journal of
Obstetrics and Gynaecology, February 1994. Vol 101. pp132-135

Age (w) Meas (cm) 10% (cm) 90% (cm) Age (w) Meas (cm) 10% (cm) 90% (cm)

12 0.77 0.55 1.00 28 5.27 4.93 5.62

13 1.09 0.86 1.33 29 5.50 5.14 5.85

14 1.41 1.17 1.65 30 5.71 5.35 6.07

15 1.72 1.47 1.97 31 5.92 5.55 6.29

16 2.03 1.77 2.28 32 6.12 5.74 6.49

17 2.33 2.07 2.59 33 6.31 5.93 6.69

18 2.63 2.36 2.90 34 6.49 6.10 6.88

19 2.92 2.64 3.20 35 6.66 6.26 7.06

20 3.21 2.92 3.49 36 6.82 6.42 7.23

21 3.49 3.20 3.78 37 6.97 6.56 7.38

22 3.76 3.46 4.06 38 7.11 6.69 7.53

23 4.03 3.72 4.34 39 7.24 6.81 7.67

24 4.29 3.98 4.61 40 7.36 6.92 7.79

25 4.55 4.23 4.87 41 7.46 7.02 7.90

26 4.80 4.47 5.13 42 7.56 7.11 8.01

27 5.04 4.70 5.38

Reference Manual 67

Femur Length (FL): CAMPBELL

GA Table

Professor Campbell’s Group at Harris birthright Centre, King’s College Hospital

Meas (cm) Age (wd) ±days (wd) Meas (cm) Age (wd) ±days (wd)

1.80 15w0d 00w6d 5.40 28w0d 01w4d

2.20 16w0d 00w6d 5.60 29w0d 01w5d

2.50 17w0d 00w6d 5.80 30w0d 01w6d

2.80 18w0d 01w0d 6.10 31w0d 02w0d

3.00 19w0d 01w0d 6.30 32w0d 02w1d

3.30 20w0d 01w0d 6.50 33w0d 02w3d

3.60 21w0d 01w0d 6.60 34w0d 02w4d

3.90 22w0d 01w1d 6.80 35w0d 02w6d

4.20 23w0d 01w1d 6.90 36w0d 03w1d

4.40 24w0d 01w1d 7.10 37w0d 00w0d

4.70 25w0d 01w2d 7.20 38w0d 00w0d

4.90 26w0d 01w3d 7.40 39w0d 00w0d

5.20 27w0d 01w3d 7.50 40w0d 00w0d

Femur Length (FL): ASUM(SCW)

GA Table

Australasian Society for Ultrasound in Medicine.

Policies and Statements – [D7] Statement On Normal Ultrasonic Fetal Measurements
(Revised May 2001)

GA = –0.41 × (FL × 10)

Output Unit: w (weeks)

Input Unit: cm

Min Range: 0.68 cm

Max Range: 7.76 cm

Fetal Growth Table

Australasian Society for Ultrasound in Medicine.

Policies and Statements – [D7] Statement On Normal Ultrasonic Fetal Measurements
(Revised May 2001)

Age

Meas

(w)

(cm)

11 0.8 0.20 22 3.7 0.50 33 6.5 0.40

12 1.0 0.25 23 4.3 0.50 34 6.6 0.40

13 1.1 0.25 24 4.5 0.40 35 6.7 0.60

14 1.5 0.30 25 4.8 0.50 36 6.9 0.60

15 1.7 0.35 26 4.9 0.50 37 7.2 0.50

16 2.2 0.40 27 5.0 0.50 38 7.3 0.55

17 2.5 0.40 28 5.4 0.40 39 7.5 0.60

18 2.8 0.50 29 5.5 0.55 40 7.6 0.40

19 3.0 0.50 30 5.8 0.60 41 7.7 0.50

20 3.2 0.60 31 5.9 0.55

21 3.4 0.60 32 6.2 0.60

+ 0.002884 × (FL × 10)2 + 0.00003924 × (FL × 10)3 + 8.284

±2SD

(cm)

Age

(w)

Meas

(cm)

±2SD

(cm)

Age

(w)

Meas

(cm)

±2SD

(cm)

Reference Manual 68

Femur Length (FL): DOUBILET

GA Table

Doubilet PM, Benson CB. “Improved Prediction of Gestational Age in the Late Third
Trimester” Journal of Ultrasound in Medicine, 12; 647-653, 1993

Meas (cm) Age (wd) Meas (cm) Age (wd) Meas (cm) Age (wd)

1.00 13w5d 3.30 20w1d 5.60 29w3d

1.10 13w6d 3.40 20w3d 5.70 29w6d

1.20 14w1d 3.50 20w5d 5.80 30w3d

1.30 14w3d 3.60 21w1d 5.90 30w6d

1.40 14w4d 3.70 21w3d 6.00 31w3d

1.50 14w6d 3.80 21w6d 6.10 31w6d

1.60 15w1d 3.90 22w1d 6.20 32w4d

1.70 15w3d 4.00 22w4d 6.30 33w0d

1.80 15w4d 4.10 22w6d 6.40 33w4d

1.90 15w6d 4.20 23w2d 6.50 34w1d

2.00 16w1d 4.30 23w5d 6.60 34w5d

2.10 16w3d 4.40 24w1d 6.70 35w2d

2.20 16w5d 4.50 24w4d 6.80 35w6d

2.30 17w0d 4.60 24w6d 6.90 36w4d

2.40 17w2d 4.70 25w2d 7.00 37w1d

2.50 17w4d 4.80 25w5d 7.10 37w5d

2.60 17w6d 4.90 26w1d 7.20 38w2d

2.70 18w1d 5.00 26w4d 7.30 39w0d

2.80 18w4d 5.10 27w0d 7.40 39w4d

Meas (cm) Age (wd) Meas (cm) Age (wd) Meas (cm) Age (wd)

2.90 18w6d 5.20 27w4d 7.50 40w2d

3.00 19w1d 5.30 28w0d 7.60 40w6d

3.10 19w3d 5.40 28w3d 7.70 41w4d

3.20 19w5d 5.50 28w6d 7.80 42w0d

Femur Length (FL): BESSIS

GA Table

The data are those provided by Dr. Bessis to M. Le Bel.(Same as SIGMA 20, see memo from
Ch. Gahwiler dated, June 23, 1983)

Meas (cm) Age (wd) ±days (wd)

1.04 13w0d 1w0d

2.22 17w0d 1w1d

3.37 21w0d 1w1d

4.45 25w0d 1w3d

5.42 29w0d 1w4d

6.42 33w0d 2w1d

6.90 37w0d 2w6d

7.34 41w0d 4w0d

Reference Manual 69

Femur Length (FL): CFEF

GA Table

J. Créquat, M. Duyme, G. Brodaty

Biométrie 2000. Tables de croissance foetale par le Collège Français d’Echographie Foetale
(CFEF) et l’Inserm U155

Gynecol Obstet Fertil 2000 Jun;28(6): 435-45

Meas (cm) Age (w) Meas (cm) Age (w) Meas (cm) Age (w)

0.63 12 3.78 22 6.11 32

0.98 13 4.05 23 6.30 33

1.33 14 4.31 24 6.47 34

1.66 15 4.56 25 6.64 35

1.99 16 4.81 26 6.81 36

2.31 17 5.05 27 6.96 37

2.62 18 5.28 28 7.11 38

2.92 19 5.49 29 7.24 39

3.22 20 5.71 30 7.37 40

3.50 21 5.91 31 7.40 41

Fetal Growth Table

J. Créquat, M. Duyme, G. Brodaty

Biométrie 2000. Tables de croissance foetale par le Collège Français d’Echographie Foetale
(CFEF) et l’Inserm U155

Gynecol Obstet Fertil 2000 Jun;28(6): 435-45

Age (w) Meas (cm) 10% (cm) 90% (cm) Age (w) Meas (cm) 10% (cm) 90% (cm)

12 0.60 0.40 0.90 27 5.10 4.70 5.40

13 1.00 0.70 1.20 28 5.30 4.90 5.70

14 1.30 1.10 1.60 29 5.50 5.10 5.90

15 1.70 1.40 1.90 30 5.70 5.30 6.10

16 2.00 1.70 2.30 31 5.90 5.50 6.30

17 2.30 2.00 2.60 32 6.10 5.70 6.50

18 2.60 2.30 2.90 33 6.30 5.90 6.70

19 2.90 2.60 3.20 34 6.50 6.10 6.90

20 3.20 2.90 3.50 35 6.60 6.20 7.10

21 3.50 3.20 3.80 36 6.80 6.40 7.20

22 3.80 3.40 4.10 37 7.00 6.50 7.40

23 4.10 3.70 4.40 38 7.10 6.70 7.50

24 4.30 4.00 4.70 39 7.20 6.80 7.70

25 4.60 4.20 4.90 40 7.40 6.90 7.80

26 4.80 4.40 5.20 41 7.40 7.00 7.90

Reference Manual 70

Femur Length (FL): JOHNSEN

GA Table

Johnsen SL, Rasmussen S, Sollien R, Kiserud T. “Fetal age assessment based on femur length
at 10-25 weeks of gestation, and reference ranges for femur length to head circumference
ratios” Acta Obstet Gynecol Scand, 2005 Aug; 84(8): 725-33

Meas (cm) Age (wd) 10% (wd) 90% (wd) Meas (cm) Age (wd) 10% (wd) 90% (wd)

0.20 10w4d 10w0d 11w1d 2.40 17w4d 16w5d 18w2d

0.30 11w0d 10w3d 11w4d 2.50 17w6d 17w0d 18w4d

0.40 11w3d 10w6d 12w0d 2.60 18w1d 17w2d 19w0d

0.50 11w5d 11w1d 12w3d 2.70 18w3d 17w5d 19w2d

0.60 12w1d 11w3d 12w5d 2.80 18w6d 18w0d 19w5d

0.70 12w3d 11w6d 13w0d 2.90 19w1d 18w2d 20w0d

0.80 12w5d 12w1d 13w3d 3.00 19w4d 18w5d 20w2d

0.90 13w0d 12w3d 13w5d 3.10 19w6d 19w0d 20w5d

1.00 13w2d 12w5d 14w0d 3.20 20w2d 19w2d 21w1d

1.10 13w4d 13w0d 14w2d 3.30 20w4d 19w5d 21w3d

1.20 13w6d 13w2d 14w4d 3.40 21w0d 20w0d 21w6d

1.30 14w1d 13w4d 14w6d 3.50 21w2d 20w3d 22w1d

1.40 14w3d 13w6d 15w1d 3.60 21w5d 20w6d 22w4d

1.50 14w5d 14w1d 15w3d 3.70 22w1d 21w1d 23w0d

1.60 15w1d 14w3d 15w6d 3.80 22w3d 21w4d 23w3d

1.70 15w3d 14w5d 16w1d 3.90 22w6d 22w0d 23w6d

1.80 15w5d 15w0d 16w3d 4.00 23w2d 22w2d 24w1d

1.90 16w0d 15w2d 16w5d 4.10 23w5d 22w5d 24w4d

2.00 16w2d 15w4d 17w0d 4.20 24w1d 23w1d 25w0d

Meas (cm) Age (wd) 10% (wd) 90% (wd) Meas (cm) Age (wd) 10% (wd) 90% (wd)

2.10 16w4d 15w6d 17w2d 4.30 24w4d 23w4d 25w3d

2.20 16w6d 16w1d 17w5d 4.40 25w0d 24w0d 25w6d

2.30 17w1d 16w3d 18w0d

Fetal Growth Table

Johnsen SL, Rasmussen S, Sollien R, Kiserud T. “Fetal age assessment based on femur length
at 10-25 weeks of gestation, and reference ranges for femur length to head circumference
ratios” Acta Obstet Gynecol Scand, 2005 Aug; 84(8): 725-33

Age (w) Meas (cm) 10% (cm) 90% (cm) Age (w) Meas (cm) 10% (cm) 90% (cm)

10w 0.20 0.10 0.30 26w 4.70 4.40 5.10

11w 0.40 0.20 0.50 27w 4.90 4.60 5.30

12w 0.60 0.40 0.80 28w 5.20 4.80 5.50

13w 0.80 0.70 1.10 29w 5.40 5.00 5.70

14w 1.20 0.90 1.40 30w 5.60 5.20 6.00

15w 1.50 1.20 1.80 31w 5.80 5.40 6.20

16w 1.80 1.50 2.20 32w 6.00 5.60 6.40

17w 2.10 1.80 2.50 33w 6.20 5.80 6.50

18w 2.50 2.20 2.80 34w 6.30 6.00 6.70

19w 2.80 2.50 3.20 35w 6.50 6.10 6.90

20w 3.10 2.80 3.50 36w 6.70 6.30 7.10

21w 3.40 3.10 3.80 37w 6.90 6.40 7.30

22w 3.70 3.40 4.10 38w 7.00 6.60 7.50

23w 4.00 3.60 4.30 39w 7.20 6.70 7.70

24w 4.20 3.90 4.60 40w 7.40 6.90 7.90

25w 4.50 4.20 4.80 41w 7.50 7.10 8.00

Reference Manual 71

Femur Length (FL): KURMANAVICIUS

Fetal Growth Table

Kurmanavicius J, Wright EM, Royston P, Zimmermann R, Huch R, Huch A, Wisser J. “Fetal
ultrasound biometry: 2. Abdomen and femur length reference values” Br J Obstet Gynaecol,
1999 Feb;106(2): 136-43

Age (w) Meas (cm) 5% (cm) 95% (cm) Age (w) Meas (cm) 5% (cm) 95% (cm)

12w 0.70 0.41 0.98 28w 5.23 4.75 5.71

13w 1.03 0.72 1.34 29w 5.45 4.97 5.94

14w 1.36 1.03 1.69 30w 5.67 5.18 6.16

15w 1.68 1.33 2.04 31w 5.88 5.39 6.38

16w 2.00 1.63 2.37 32w 6.09 5.59 6.58

17w 2.30 1.92 2.69 33w 6.28 5.78 6.79

18w 2.61 2.21 3.00 34w 6.47 5.96 6.98

19w 2.90 2.49 3.31 35w 6.65 6.14 7.16

20w 3.19 2.76 3.61 36w 6.83 6.31 7.34

21w 3.47 3.03 3.90 37w 7.00 6.48 7.51

22w 3.74 3.30 4.18 38w 7.16 6.64 7.68

23w 4.01 3.56 4.45 39w 7.31 6.79 7.84

24w 4.26 3.81 4.72 40w 7.46 6.93 7.99

25w 4.52 4.05 4.98 41w 7.60 7.07 8.13

26w 4.76 4.29 5.23 42w 7.73 7.20 8.26

27w 5.00 4.52 5.48

Femur Length (FL): NICOLAIDES

Fetal Growth Table

Snijders RJ, Nicolaides KH. “Fetal biometry at 14-40 weeks’ gestation” Ultrasound in
obstetrics and Gynecology, 1994 Jan 1; 4(1): 34-48

Age (wd) Meas (cm) 5% (cm) 95% (cm) Age (wd) Meas (cm) 5% (cm) 95% (cm)

14w0d 1.70 1.40 1.90 27w0d 5.10 4.70 5.50

14w1d 1.70 1.40 1.90 27w1d 5.10 4.70 5.50

14w2d 1.70 1.40 1.90 27w2d 5.10 4.70 5.50

14w3d 1.70 1.40 1.90 27w3d 5.10 4.70 5.50

14w4d 1.70 1.40 1.90 27w4d 5.10 4.70 5.50

14w5d 1.70 1.40 1.90 27w5d 5.10 4.70 5.50

14w6d 1.70 1.40 1.90 27w6d 5.10 4.70 5.50

15w0d 1.90 1.70 2.20 28w0d 5.30 4.90 5.80

15w1d 1.90 1.70 2.20 28w1d 5.30 4.90 5.80

15w2d 1.90 1.70 2.20 28w2d 5.30 4.90 5.80

15w3d 1.90 1.70 2.20 28w3d 5.30 4.90 5.80

15w4d 1.90 1.70 2.20 28w4d 5.30 4.90 5.80

15w5d 1.90 1.70 2.20 28w5d 5.30 4.90 5.80

15w6d 1.90 1.70 2.20 28w6d 5.30 4.90 5.80

16w0d 2.20 1.90 2.50 29w0d 5.60 5.10 6.00

16w1d 2.20 1.90 2.50 29w1d 5.60 5.10 6.00

16w2d 2.20 1.90 2.50 29w2d 5.60 5.10 6.00

16w3d 2.20 1.90 2.50 29w3d 5.60 5.10 6.00

16w4d 2.20 1.90 2.50 29w4d 5.60 5.10 6.00

Reference Manual 72

Age (wd) Meas (cm) 5% (cm) 95% (cm) Age (wd) Meas (cm) 5% (cm) 95% (cm)

16w5d 2.20 1.90 2.50 29w5d 5.60 5.10 6.00

16w6d 2.20 1.90 2.50 29w6d 5.60 5.10 6.00

17w0d 2.40 2.10 2.80 30w0d 5.80 5.30 6.30

17w1d 2.40 2.10 2.80 30w1d 5.80 5.30 6.30

17w2d 2.40 2.10 2.80 30w2d 5.80 5.30 6.30

17w3d 2.40 2.10 2.80 30w3d 5.80 5.30 6.30

17w4d 2.40 2.10 2.80 30w4d 5.80 5.30 6.30

17w5d 2.40 2.10 2.80 30w5d 5.80 5.30 6.30

17w6d 2.40 2.10 2.80 30w6d 5.80 5.30 6.30

18w0d 2.70 2.40 3.00 31w0d 6.00 5.50 6.50

18w1d 2.70 2.40 3.00 31w1d 6.00 5.50 6.50

18w2d 2.70 2.40 3.00 31w2d 6.00 5.50 6.50

18w3d 2.70 2.40 3.00 31w3d 6.00 5.50 6.50

18w4d 2.70 2.40 3.00 31w4d 6.00 5.50 6.50

18w5d 2.70 2.40 3.00 31w5d 6.00 5.50 6.50

18w6d 2.70 2.40 3.00 31w6d 6.00 5.50 6.50

19w0d 3.00 2.60 3.30 32w0d 6.20 5.70 6.70

19w1d 3.00 2.60 3.30 32w1d 6.20 5.70 6.70

19w2d 3.00 2.60 3.30 32w2d 6.20 5.70 6.70

19w3d 3.00 2.60 3.30 32w3d 6.20 5.70 6.70

19w4d 3.00 2.60 3.30 32w4d 6.20 5.70 6.70

19w5d 3.00 2.60 3.30 32w5d 6.20 5.70 6.70

19w6d 3.00 2.60 3.30 32w6d 6.20 5.70 6.70

20w0d 3.20 2.90 3.60 33w0d 6.40 5.90 6.90

Age (wd) Meas (cm) 5% (cm) 95% (cm) Age (wd) Meas (cm) 5% (cm) 95% (cm)

20w1d 3.20 2.90 3.60 33w1d 6.40 5.90 6.90

20w2d 3.20 2.90 3.60 33w2d 6.40 5.90 6.90

20w3d 3.20 2.90 3.60 33w3d 6.40 5.90 6.90

20w4d 3.20 2.90 3.60 33w4d 6.40 5.90 6.90

20w5d 3.20 2.90 3.60 33w5d 6.40 5.90 6.90

20w6d 3.20 2.90 3.60 33w6d 6.40 5.90 6.90

21w0d 3.50 3.20 3.90 34w0d 6.60 6.10 7.10

21w1d 3.50 3.20 3.90 34w1d 6.60 6.10 7.10

21w2d 3.50 3.20 3.90 34w2d 6.60 6.10 7.10

21w3d 3.50 3.20 3.90 34w3d 6.60 6.10 7.10

21w4d 3.50 3.20 3.90 34w4d 6.60 6.10 7.10

21w5d 3.50 3.20 3.90 34w5d 6.60 6.10 7.10

21w6d 3.50 3.20 3.90 34w6d 6.60 6.10 7.10

22w0d 3.80 3.40 4.20 35w0d 6.80 6.30 7.30

22w1d 3.80 3.40 4.20 35w1d 6.80 6.30 7.30

22w2d 3.80 3.40 4.20 35w2d 6.80 6.30 7.30

22w3d 3.80 3.40 4.20 35w3d 6.80 6.30 7.30

22w4d 3.80 3.40 4.20 35w4d 6.80 6.30 7.30

22w5d 3.80 3.40 4.20 35w5d 6.80 6.30 7.30

22w6d 3.80 3.40 4.20 35w6d 6.80 6.30 7.30

23w0d 4.10 3.70 4.50 36w0d 6.90 6.40 7.40

23w1d 4.10 3.70 4.50 36w1d 6.90 6.40 7.40

23w2d 4.10 3.70 4.50 36w2d 6.90 6.40 7.40

23w3d 4.10 3.70 4.50 36w3d 6.90 6.40 7.40

Reference Manual 73

Age (wd) Meas (cm) 5% (cm) 95% (cm) Age (wd) Meas (cm) 5% (cm) 95% (cm)

23w4d 4.10 3.70 4.50 36w4d 6.90 6.40 7.40

23w5d 4.10 3.70 4.50 36w5d 6.90 6.40 7.40

23w6d 4.10 3.70 4.50 36w6d 6.90 6.40 7.40

24w0d 4.30 3.90 4.70 37w0d 7.10 6.60 7.60

24w1d 4.30 3.90 4.70 37w1d 7.10 6.60 7.60

24w2d 4.30 3.90 4.70 37w2d 7.10 6.60 7.60

24w3d 4.30 3.90 4.70 37w3d 7.10 6.60 7.60

24w4d 4.30 3.90 4.70 37w4d 7.10 6.60 7.60

24w5d 4.30 3.90 4.70 37w5d 7.10 6.60 7.60

24w6d 4.30 3.90 4.70 37w6d 7.10 6.60 7.60

25w0d 4.60 4.20 5.00 38w0d 7.20 6.70 7.70

25w1d 4.60 4.20 5.00 38w1d 7.20 6.70 7.70

25w2d 4.60 4.20 5.00 38w2d 7.20 6.70 7.70

25w3d 4.60 4.20 5.00 38w3d 7.20 6.70 7.70

25w4d 4.60 4.20 5.00 38w4d 7.20 6.70 7.70

25w5d 4.60 4.20 5.00 38w5d 7.20 6.70 7.70

25w6d 4.60 4.20 5.00 38w6d 7.20 6.70 7.70

26w0d 4.80 4.40 5.30 39w0d 7.30 6.80 7.80

26w1d 4.80 4.40 5.30 39w1d 7.30 6.80 7.80

26w2d 4.80 4.40 5.30 39w2d 7.30 6.80 7.80

26w3d 4.80 4.40 5.30 39w3d 7.30 6.80 7.80

26w4d 4.80 4.40 5.30 39w4d 7.30 6.80 7.80

26w5d 4.80 4.40 5.30 39w5d 7.30 6.80 7.80

26w6d 4.80 4.40 5.30 39w6d 7.30 6.80 7.80

Anterior Posterior Thoracic Diameter (APTD): HANSMANN

GA Table

Hansmann, Hackeloer, Staudach, Wittman “Ultrasound Diagnosis in Obstetrics and
Gynecology” Springer-Verlag, New York, 1986

Meas (cm) Age (w) Meas (cm) Age (w) Meas (cm) Age (w) Meas (cm) Age (w)

2.25 14w 4.65 22w 7.01 30w 9.30 38w

2.58 15w 4.90 23w 7.25 31w 9.53 39w

2.85 16w 5.15 24w 7.62 32w 9.68 40w

3.11 17w 5.48 25w 7.93 33w 9.84 41w

3.46 18w 5.80 26w 8.15 34w 9.91 42w

3.75 19w 6.15 27w 8.40 35w

4.00 20w 6.39 28w 8.75 36w

4.34 21w 6.70 29w 9.02 37w

Reference Manual 74

Fetal Growth Table

Hansmann, Hackeloer, Staudach, Wittman “Ultrasound Diagnosis in Obstetrics and
Gynecology” Springer-Verlag, New York, 1986

Age (w) Meas (cm) Min (cm) Max (cm) Age (w) Meas (cm) Min (cm) Max (cm)

14 2.25 2.25 2.25 29 6.70 5.70 7.70

15 2.58 2.21 2.95 30 7.01 6.01 8.01

16 2.85 2.45 3.25 31 7.25 6.10 8.40

17 3.11 2.61 3.61 32 7.62 6.52 8.72

18 3.46 3.02 3.90 33 7.93 6.81 9.05

19 3.75 3.25 4.25 34 8.15 6.90 9.40

20 4.00 3.40 4.60 35 8.40 7.08 9.72

21 4.34 3.76 4.92 36 8.75 7.40 10.10

22 4.65 4.04 5.26 37 9.02 7.62 10.42

23 4.90 4.20 5.60 38 9.30 7.90 10.70

24 5.15 4.35 5.95 39 9.53 8.06 11.00

25 5.48 4.68 6.28 40 9.68 8.16 11.20

26 5.80 4.95 6.65 41 9.84 8.32 11.35

27 6.15 5.30 7.00 42 9.91 8.41 11.40

28 6.39 5.43 7.35

Anterior Posterior Thoracic Diameter (APTD) and Thorax Transverse

Diameter (TTD): SHINOZUKA

GA Table

Norio Shinozuka, Haruo Masuda, Hideyuki Kagawa, and Yuji Taketani. Department of
Obstetrics and Gynecoogy, Faculty of Medicine, University of Tokyo. Jpn J Med Ultrasonics
23(12) 877-888,1996

Meas (cm2) Age (wd) ±SD (wd) Meas (cm2) Age (wd) ±SD (wd)

10.00 16w1d 01w1d 52.00 29w3d 01w6d

12.00 17w0d 01w1d 54.00 30w0d 01w6d

14.00 17w6d 01w1d 56.00 30w3d 01w6d

16.00 18w4d 01w1d 58.00 31w0d 02w0d

18.00 19w3d 01w1d 60.00 31w3d 02w0d

20.00 20w1d 01w1d 62.00 31w6d 02w0d

22.00 20w6d 01w2d 64.00 32w3d 02w1d

24.00 21w4d 01w2d 66.00 32w6d 02w1d

26.00 22w2d 01w2d 68.00 33w3d 02w1d

28.00 22w6d 01w2d 70.00 33w6d 02w2d

30.00 23w4d 01w2d 72.00 34w2d 02w2d

32.00 24w1d 01w3d 74.00 34w6d 02w3d

34.00 24w5d 01w3d 76.00 35w3d 02w3d

36.00 25w3d 01w3d 78.00 35w6d 02w3d

38.00 25w6d 01w3d 80.00 36w3d 02w4d

40.00 26w3d 01w4d 82.00 37w0d 02w4d

42.00 27w0d 01w4d 84.00 37w4d 02w4d

44.00 27w3d 01w4d 86.00 38w1d 02w4d

Reference Manual 75

Meas (cm2) Age (wd) ±SD (wd) Meas (cm2) Age (wd) ±SD (wd)

46.00 28w0d 01w5d 88.00 38w5d 02w5d

48.00 28w4d 01w5d 90.00 39w2d 02w5d

50.00 29w0d 01w5d

Fetal Growth Table

Norio Shinozuka, Haruo Masuda, Hideyuki Kagawa, and Yuji Taketani. Department of
Obstetrics and Gynecoogy, Faculty of Medicine, University of Tokyo. Jpn J Med Ultrasonics
23(12) 877-888,1996

Age

(wd)

16w3d 11.20 7.90 14.60 30w3d 55.70 46.20 65.30

17w3d 13.30 9.70 17.00 31w3d 59.70 49.60 69.90

18w3d 15.60 11.60 19.60 32w3d 63.80 53.00 74.50

19w3d 18.10 13.70 22.40 33w3d 67.80 56.50 79.20

20w3d 20.80 16.10 25.50 34w3d 71.90 59.90 83.90

21w3d 23.60 18.50 28.80 35w3d 75.90 63.30 88.60

22w3d 26.70 21.20 32.20 36w3d 79.90 66.60 93.30

23w3d 29.90 23.90 35.90 37w3d 83.90 69.80 97.90

24w3d 33.20 26.80 39.70 38w3d 87.70 72.90 102.50

25w3d 36.70 29.80 43.60 39w3d 91.50 76.00 107.00

26w3d 40.30 33.00 47.70 40w3d 95.10 78.90 111.40

27w3d 44.10 36.20 52.00 41w3d 98.60 81.60 115.70

28w3d 47.90 39.40 56.30 42w3d 102.00 84.10 119.80

29w3d 51.80 42.80 60.80

Meas
(cm2)

-1.28SD
(cm2)

+1.28SD

(cm2)

Age

(wd)

Meas
(cm2)

-1.28SD
(cm2)

+1.28SD

(cm2)

Anterior Posterior Thoracic Diameter (APTD) and Thorax Transverse

Diameter (TTD): TOKYO

GA Table

Norio Shinozuka, Haruo Masuda, Hideyuki Kagawa, and Yuji Taketani. Department of
Obstetrics and Gynecoogy, Faculty of Medicine, University of Tokyo. Jpn J Med Ultrasonics
23(12) 877-888,1996

Meas (cm2) Age (wd) ±SD (wd) Meas (cm2) Age (wd) ±SD (wd)

10.00 16w1d 01w1d 52.00 29w3d 01w6d

12.00 17w0d 01w1d 54.00 30w0d 01w6d

14.00 17w6d 01w1d 56.00 30w3d 01w6d

16.00 18w4d 01w1d 58.00 31w0d 02w0d

18.00 19w3d 01w1d 60.00 31w3d 02w0d

20.00 20w1d 01w1d 62.00 31w6d 02w0d

22.00 20w6d 01w2d 64.00 32w3d 02w1d

24.00 21w4d 01w2d 66.00 32w6d 02w1d

26.00 22w2d 01w2d 68.00 33w3d 02w1d

28.00 22w6d 01w2d 70.00 33w6d 02w2d

30.00 23w4d 01w2d 72.00 34w2d 02w2d

32.00 24w1d 01w3d 74.00 34w6d 02w3d

34.00 24w5d 01w3d 76.00 35w3d 02w3d

36.00 25w3d 01w3d 78.00 35w6d 02w3d

38.00 25w6d 01w3d 80.00 36w3d 02w4d

40.00 26w3d 01w4d 82.00 37w0d 02w4d

42.00 27w0d 01w4d 84.00 37w4d 02w4d

44.00 27w3d 01w4d 86.00 38w1d 02w4d

Reference Manual 76

Meas (cm2) Age (wd) ±SD (wd) Meas (cm2) Age (wd) ±SD (wd)

46.00 28w0d 01w5d 88.00 38w5d 02w5d

48.00 28w4d 01w5d 90.00 39w2d 02w5d

50.00 29w0d 01w5d

Fetal Growth Table

Norio Shinozuka, Haruo Masuda, Hideyuki Kagawa, and Yuji Taketani. Department of
Obstetrics and Gynecoogy, Faculty of Medicine, University of Tokyo. Jpn J Med Ultrasonics
23(12) 877-888,1996

Age

(wd)

16w3d 11.20 7.90 14.60 30w3d 55.70 46.20 65.30

17w3d 13.30 9.70 17.00 31w3d 59.70 49.60 69.90

18w3d 15.60 11.60 19.60 32w3d 63.80 53.00 74.50

19w3d 18.10 13.70 22.40 33w3d 67.80 56.50 79.20

20w3d 20.80 16.10 25.50 34w3d 71.90 59.90 83.90

21w3d 23.60 18.50 28.80 35w3d 75.90 63.30 88.60

22w3d 26.70 21.20 32.20 36w3d 79.90 66.60 93.30

23w3d 29.90 23.90 35.90 37w3d 83.90 69.80 97.90

24w3d 33.20 26.80 39.70 38w3d 87.70 72.90 102.50

25w3d 36.70 29.80 43.60 39w3d 91.50 76.00 107.00

26w3d 40.30 33.00 47.70 40w3d 95.10 78.90 111.40

27w3d 44.10 36.20 52.00 41w3d 98.60 81.60 115.70

28w3d 47.90 39.40 56.30 42w3d 102.00 84.10 119.80

29w3d 51.80 42.80 60.80

Meas
(cm2)

-1.28SD
(cm2)

+1.28SD

(cm2)

Age

(wd)

Meas
(cm2)

-1.28SD
(cm2)

+1.28SD

(cm2)

Gestational Sac (GS): KOREAN

GA Table

Y.G Park. “The Standardization of Fetal body parts according to the normal Korean
Gestational Age in Ultrasound” Korean Ultrasound Institute, Vol. 14, No.2, 1995

GA = GS × 0.71887 + 6.156004

Output Unit: w (weeks)

Input Unit: cm

Min Range: 2.5 cm

Max Range: 6.1 cm

Gestational Sac (GS): HANSMANN

GA Table

Hansmann, Hackeloer, Staudach and Wittman. “Ultrasound Diagnosis in Obstetrics and
Gynecology” Springer-Verlag, New York, 1986; P.36

Meas (cm) Age (wd)

0.7 4w6d

0.9 5w5d

1.0 6w0d

1.3 6w2d

1.5 6w5d

2.4 7w3d

2.8 8w2d

3.4 9w0d

Reference Manual 77

Gestational Sac (GS): HELLMAN

GA Table

Hellman LM, Kobayashi M, Fillisti L, et al, “Growth and development of the human fetus
prior to the twentieth week of gestation” American Journal of Obstetrics and Gynecology,
103:789-800, 1969

Meas (cm) Age (wd) Meas (cm) Age (wd) Meas (cm) Age (wd) Meas (cm) Age (wd)

1.0 5w0d 2.3 6w6d 3.6 8w5d 4.9 10w4d

1.1 5w1d 2.4 7w0d 3.7 8w6d 5.0 10w5d

1.2 5w2d 2.5 7w1d 3.8 9w0d 5.1 10w6d

1.3 5w3d 2.6 7w2d 3.9 9w1d 5.2 11w0d

1.4 5w4d 2.7 7w3d 4.0 9w2d 5.3 11w1d

1.5 5w5d 2.8 7w4d 4.1 9w3d 5.4 11w2d

1.6 5w6d 2.9 7w5d 4.2 9w4d 5.5 11w3d

1.7 6w0d 3.0 7w6d 4.3 9w5d 5.6 11w4d

1.8 6w1d 3.1 8w0d 4.4 9w6d 5.7 11w5d

1.9 6w2d 3.2 8w1d 4.5 10w0d 5.8 11w6d

2.0 6w3d 3.3 8w2d 4.6 10w1d 5.9 12w0d

2.1 6w4d 3.4 8w3d 4.7 10w2d 6.0 12w1d

2.2 6w5d 3.5 8w4d 4.8 10w3d

Gestational Sac (GS): NYBERG

GA Table

Nyberg, David, A., Hill, Lyndon, M., Bohm-Vele, Marcela., Mendelson, Ellen, B. “Transvaginal
Ultrasound.” Mosby Yearbook, 76. 1992

GA = 1.32 × GS + 4.299

Output Unit: w (weeks)

Input Unit: cm

Min Range: 0.14 cm

Max Range: 5.54 cm

Gestational Sac (GS): TOKYO

GA Table

Tokyo University Takashi Okai, et al. Japan Society of Obstetrics and Gynecology, Vol.38,
No.8

Meas (cm) Age (wd) ±SD (wd) Meas (cm) Age (wd) ±SD (wd)

1.0 4w0d 1w0d 4.1 9w0d 2w0d

1.6 5w0d 1w1d 4.8 10w0d 2w1d

2.2 6w0d 1w4d 5.7 11w0d 2w2d

2.7 7w0d 1w5d 6.7 12w0d 2w3d

3.4 8w0d 1w6d

Reference Manual 78

Gestational Sac (GS): REMPEN

GA Table

Rempen A. “Biometrie in der Fruhgraviditat (I. Trimenon)” Der Frauenarzt, 32: 425, 1991

Meas (cm) Age (wd) 5% (wd) 95% (wd) Meas (cm) Age (wd) 5% (wd) 95% (wd)

0.20 04w6d 03w3d 06w2d 3.80 09w1d 07w5d 10w4d

0.30 05w0d 03w4d 06w3d 3.90 09w2d 07w6d 10w5d

0.40 05w1d 03w5d 06w4d 4.00 09w3d 08w0d 10w6d

0.50 05w2d 03w6d 06w5d 4.10 09w4d 08w1d 11w0d

0.60 05w2d 03w6d 06w5d 4.20 09w5d 08w2d 11w1d

0.70 05w3d 04w0d 06w6d 4.30 09w6d 08w3d 11w2d

0.80 05w4d 04w1d 07w0d 4.40 09w6d 08w3d 11w2d

0.90 05w5d 04w2d 07w1d 4.50 10w0d 08w4d 11w3d

1.00 05w5d 04w2d 07w1d 4.60 10w1d 08w5d 11w4d

1.10 05w6d 04w3d 07w2d 4.70 10w2d 08w6d 11w5d

1.20 06w0d 04w4d 07w3d 4.80 10w3d 09w0d 11w6d

1.30 06w1d 04w5d 07w4d 4.90 10w4d 09w1d 12w0d

1.40 06w2d 04w6d 07w5d 5.00 10w5d 09w2d 12w1d

1.50 06w2d 04w6d 07w5d 5.10 10w6d 09w3d 12w2d

1.60 06w3d 05w0d 07w6d 5.20 11w0d 09w4d 12w3d

1.70 06w4d 05w1d 08w0d 5.30 11w1d 09w5d 12w4d

1.80 06w5d 05w2d 08w1d 5.40 11w2d 09w6d 12w5d

1.90 06w6d 05w3d 08w2d 5.50 11w3d 10w0d 12w6d

Meas (cm) Age (wd) 5% (wd) 95% (wd) Meas (cm) Age (wd) 5% (wd) 95% (wd)

2.00 06w6d 05w3d 08w2d 5.60 11w4d 10w1d 13w0d

2.10 07w0d 05w4d 08w3d 5.70 11w5d 10w2d 13w1d

2.20 07w1d 05w5d 08w4d 5.80 11w6d 10w3d 13w2d

2.30 07w2d 05w6d 08w5d 5.90 12w0d 10w4d 13w3d

2.40 07w3d 06w0d 08w6d 6.00 12w1d 10w5d 13w4d

2.50 07w4d 06w1d 09w0d 6.10 12w2d 10w6d 13w5d

2.60 07w4d 06w1d 09w0d 6.20 12w3d 11w0d 13w6d

2.70 07w5d 06w2d 09w1d 6.30 12w4d 11w1d 14w0d

2.80 07w6d 06w3d 09w2d 6.40 12w5d 11w2d 14w1d

2.90 08w0d 06w4d 09w3d 6.50 12w6d 11w3d 14w2d

3.00 08w1d 06w5d 09w4d 6.60 13w0d 11w4d 14w3d

3.10 08w2d 06w6d 09w5d 6.70 13w1d 11w5d 14w4d

3.20 08w3d 07w0d 09w6d 6.80 13w2d 11w6d 14w5d

3.30 08w3d 07w0d 09w6d 6.90 13w3d 12w0d 14w6d

3.40 08w4d 07w1d 10w0d 7.00 13w4d 12w1d 15w0d

3.50 08w5d 07w2d 10w1d 7.10 13w5d 12w2d 15w1d

3.60 08w6d 07w3d 10w2d 7.20 14w0d 12w4d 15w3d

3.70 09w0d 07w4d 10w3d 7.30 14w1d 12w5d 15w4d

Reference Manual 79

Fetal Growth Table

Rempen A. “Biometrie in der Fruhgraviditat (I. Trimenon)” Der Frauenarzt, 32: 425, 1991

Age (wd) Meas (cm) 5% (cm) 95% (cm) Age (wd) Meas (cm) 5% (cm) 95% (cm)

04w4d 0.05 0.00 1.10 09w0d 3.66 2.61 4.71

04w5d 0.18 0.00 1.23 09w1d 3.76 2.71 4.81

04w6d 0.32 0.00 1.37 09w2d 3.85 2.80 4.90

05w0d 0.45 0.00 1.50 09w3d 3.95 2.90 5.00

05w1d 0.58 0.00 1.63 09w4d 4.04 2.99 5.09

05w2d 0.71 0.00 1.76 09w5d 4.13 3.08 5.18

05w3d 0.84 0.00 1.89 09w6d 4.22 3.17 5.27

05w4d 0.97 0.00 2.02 10w0d 4.31 3.26 5.36

05w5d 1.09 0.04 2.14 10w1d 4.40 3.35 5.45

05w6d 1.22 0.17 2.27 10w2d 4.49 3.44 5.54

06w0d 1.34 0.29 2.39 10w3d 4.57 3.52 5.62

06w1d 1.46 0.41 2.51 10w4d 4.66 3.61 5.71

06w2d 1.59 0.54 2.64 10w5d 4.74 3.69 5.79

06w3d 1.71 0.66 2.76 10w6d 4.82 3.77 5.87

06w4d 1.83 0.78 2.88 11w0d 4.90 3.85 5.95

06w5d 1.94 0.89 2.99 11w1d 4.98 3.93 6.03

06w6d 2.06 1.01 3.11 11w2d 5.06 4.01 6.11

07w0d 2.17 1.12 3.22 11w3d 5.14 4.09 6.19

07w1d 2.29 1.24 3.34 11w4d 5.21 4.16 6.26

07w2d 2.40 1.35 3.45 11w5d 5.29 4.24 6.34

07w3d 2.51 1.46 3.56 11w6d 5.36 4.31 6.41

07w4d 2.62 1.57 3.67 12w0d 5.43 4.38 6.48

Age (wd) Meas (cm) 5% (cm) 95% (cm) Age (wd) Meas (cm) 5% (cm) 95% (cm)

07w5d 2.73 1.68 3.78 12w1d 5.51 4.46 6.56

07w6d 2.84 1.79 3.89 12w2d 5.58 4.53 6.63

08w0d 2.95 1.90 4.00 12w3d 5.64 4.59 6.69

08w1d 3.05 2.00 4.10 12w4d 5.71 4.66 6.76

08w2d 3.16 2.11 4.21 12w5d 5.78 4.73 6.83

08w3d 3.26 2.21 4.31 12w6d 5.84 4.79 6.89

08w4d 3.36 2.31 4.41 13w0d 5.91 4.86 6.96

08w5d 3.46 2.41 4.51 13w1d 5.97 4.92 7.02

08w6d 3.56 2.51 4.61 13w2d 6.03 4.98 7.08

Occipital Frontal Diameter (OFD): HANSMANN

GA Table

Hansmann, Hackeloer, Staudach, Wittman. “Ultrasound Diagnosis in Obsterics and
Gynecology.” Springer-Verlag, New York, 1986, p.431.

Meas (cm) Age (wd) Meas (cm) Age (wd) Meas (cm) Age (wd)

3.1 14w0d 7.2 23w0d 10.3 32w0d

3.8 15w0d 7.6 24w0d 10.5 33w0d

4.1 16w0d 8.0 25w0d 10.7 34w0d

4.6 17w0d 8.4 26w0d 10.9 35w0d

5.0 18w0d 8.8 27w0d 11.1 36w0d

5.4 19w0d 9.1 28w0d 11.2 37w0d

5.8 20w0d 9.5 29w0d 11.3 38w0d

Reference Manual 80

Meas (cm) Age (wd) Meas (cm) Age (wd) Meas (cm) Age (wd)

6.3 21w0d 9.8 30w0d 11.4 39w0d

6.7 22w0d 10.0 31w0d 11.5 40w0d

Fetal Growth Table

Hansmann, Hackeloer, Staudach, Wittman “Ultrasound Diagnosis in Obstetrics and
Gynecology” Springer- Verlag, New York, 1986, p.176.

Age (w) Meas (cm) 5% (cm) 95% (cm) Age (w) Meas (cm) 5% (cm) 95% (cm)

10 1.4 0.7 2.1 26 8.0 7.3 8.7

11 1.8 1.1 2.5 27 8.3 7.6 9.0

12 2.3 1.6 3.0 28 8.7 8.0 9.4

13 2.7 2.0 3.4 29 9.0 8.3 9.7

14 3.1 2.4 3.8 30 9.3 8.6 10.0

15 3.6 2.9 4.3 31 9.6 8.9 10.3

16 4.0 3.3 4.7 32 9.9 9.2 10.6

17 4.4 3.7 5.1 33 10.2 9.5 10.8

18 4.8 4.1 5.5 34 10.4 9.7 11.1

19 5.3 4.6 6.0 35 10.6 9.9 11.3

20 5.7 5.0 6.4 36 10.9 10.2 11.6

21 6.1 5.4 6.8 37 11.1 10.4 11.8

22 6.5 5.8 7.2 38 11.2 10.5 11.9

23 6.9 6.2 7.6 39 11.4 10.7 12.1

24 7.2 6.5 7.9 40 11.5 10.8 12.2

25 7.6 6.9 8.3

Occipital Frontal Diameter (OFD): ASUM(SCW)

GA Table

Australasian Society for Ultrasound in Medicine.

Policies and Statements – [D7] Statement On Normal Ultrasonic Fetal Measurements
(Revised May 2001)

GA = 0.381 × (OFD × 10) – 0.00344 × (OFD × 10)

Output Unit: w (weeks)

Input Unit: cm

Min Range: 2.12 cm

Max Range: 12.17 cm

Fetal Growth Table

Australasian Society for Ultrasound in Medicine.

Policies and Statements – [D7] Statement On Normal Ultrasonic Fetal Measurements
(Revised May 2001)

Age (w) Meas (cm) ±2SD (cm) Age (w) Meas (cm) ±2SD (cm)

11 2.1 0.20 27 8.6 0.45

12 2.4 0.20 28 9.5 0.50

13 2.9 0.30 29 9.7 0.55

14 3.4 0.30 30 9.8 0.55

15 3.8 0.30 31 10.1 0.50

16 4.6 0.30 32 10.2 0.50

17 5.0 0.30 33 10.7 0.55

18 5.4 0.35 34 10.8 0.55

19 5.7 0.35 35 10.9 0.55

20 6.1 0.35 36 11.2 0.55

2

+ 0.00002298 × (OFD × 10)3 + 4.189

Reference Manual 81

Age (w) Meas (cm) ±2SD (cm) Age (w) Meas (cm) ±2SD (cm)

21 6.3 0.40 37 11.3 0.60

22 6.8 0.35 38 11.6 0.55

23 7.6 0.40 39 11.9 0.60

24 7.9 0.40 40 12.0 0.60

25 8.2 0.45 41 12.2 0.60

26 8.4 0.45

Occipital Frontal Diameter (OFD): KOREAN

GA Table

Y.G Park.“ The Standardization of Fetal body parts according to the normal Korean
Gestational Age in Ultrasound” Korean Ultrasound Institute, Vol. 14, No.2, 1995

GA = OFD × 1.55941 + 0.07730580 × OFD

Output Unit: w (weeks)

Input Unit: cm

Min Range: 2.4 cm

Max Range: 12.4 cm

Fetal Growth Table

Y.G Park.“ The Standardization of Fetal body parts according to the normal Korean
Gestational Age in Ultrasound” Korean Ultrasound Institute, Vol. 14, No.2, 1995

OFD = 59.56658 × MA – 4.5874 × MA

Output Unit: cm

Input Unit: w (week)

Min Range: 12w

Max Range: 40w

2

+ 7.937391

2

– 40.707331

Age (w) Meas (cm) ±SD (cm) Age (w) Meas (cm) ±SD (cm)

12 2.503 0.391 32 10.283 0.357

16 4.250 0.269 34 10.716 0.390

20 5.918 0.303 36 11.553 0.365

24 7.479 0.564 38 12.053 0.233

28 9.173 0.393 40 12.059 0.598

Occipital Frontal Diameter (OFD): KURMANAVICIUS

Fetal Growth Table

Kurmanavicius J, Wright EM, Royston P, Wisser J, Huch R, Huch A, Zimmermann R. “Fetal
ultrasound biometry: 1. Head reference values” Br J Obstet Gynaecol, 1999 Feb; 106(2): 126-35

Age (w) Meas (cm) 5% (cm) 95% (cm) Age (w) Meas (cm) 5% (cm) 95% (cm)

12w 2.46 2.02 2.91 28w 9.16 8.39 9.93

13w 2.96 2.49 3.43 29w 9.46 8.67 10.25

14w 3.45 2.96 3.94 30w 9.74 8.93 10.55

15w 3.93 3.43 4.44 31w 10.01 9.18 10.84

16w 4.41 3.88 4.94 32w 10.25 9.41 11.10

17w 4.87 4.32 5.42 33w 10.48 9.61 11.35

18w 5.32 4.76 5.89 34w 10.69 9.80 11.58

19w 5.77 5.18 6.35 35w 10.88 9.97 11.78

20w 6.20 5.59 6.81 36w 11.04 10.11 11.97

21w 6.62 5.99 7.24 37w 11.19 10.24 12.13

22w 7.02 6.37 7.67 38w 11.31 10.34 12.28

Reference Manual 82

Age (w) Meas (cm) 5% (cm) 95% (cm) Age (w) Meas (cm) 5% (cm) 95% (cm)

23w 7.41 6.75 8.08 39w 11.41 10.42 12.40

24w 7.79 7.11 8.48 40w 11.48 10.47 12.49

25w 8.16 7.45 8.87 41w 11.53 10.51 12.56

26w 8.51 7.78 9.24 42w 11.56 10.51 12.61

27w 8.84 8.09 9.59

Occipital Frontal Diameter (OFD): NICOLAIDES

Fetal Growth Table

Snijders RJ, Nicolaides KH. “Fetal biometry at 14-40 weeks’ gestation” Ultrasound in
obstetrics and Gynecology, 1994 Jan 1; 4(1): 34-48

Age (wd) Meas (cm) 5% (cm) 95% (cm) Age (wd) Meas (cm) 5% (cm) 95% (cm)

14w0d 3.90 3.50 4.20 27w0d 9.10 8.40 9.90

14w1d 3.90 3.50 4.20 27w1d 9.10 8.40 9.90

14w2d 3.90 3.50 4.20 27w2d 9.10 8.40 9.90

14w3d 3.90 3.50 4.20 27w3d 9.10 8.40 9.90

14w4d 3.90 3.50 4.20 27w4d 9.10 8.40 9.90

14w5d 3.90 3.50 4.20 27w5d 9.10 8.40 9.90

14w6d 3.90 3.50 4.20 27w6d 9.10 8.40 9.90

15w0d 4.20 3.90 4.60 28w0d 9.50 8.70 10.30

15w1d 4.20 3.90 4.60 28w1d 9.50 8.70 10.30

15w2d 4.20 3.90 4.60 28w2d 9.50 8.70 10.30

15w3d 4.20 3.90 4.60 28w3d 9.50 8.70 10.30

15w4d 4.20 3.90 4.60 28w4d 9.50 8.70 10.30

Age (wd) Meas (cm) 5% (cm) 95% (cm) Age (wd) Meas (cm) 5% (cm) 95% (cm)

15w5d 4.20 3.90 4.60 28w5d 9.50 8.70 10.30

15w6d 4.20 3.90 4.60 28w6d 9.50 8.70 10.30

16w0d 4.60 4.20 5.00 29w0d 9.80 9.10 10.70

16w1d 4.60 4.20 5.00 29w1d 9.80 9.10 10.70

16w2d 4.60 4.20 5.00 29w2d 9.80 9.10 10.70

16w3d 4.60 4.20 5.00 29w3d 9.80 9.10 10.70

16w4d 4.60 4.20 5.00 29w4d 9.80 9.10 10.70

16w5d 4.60 4.20 5.00 29w5d 9.80 9.10 10.70

16w6d 4.60 4.20 5.00 29w6d 9.80 9.10 10.70

17w0d 5.00 4.60 5.40 30w0d 10.20 9.40 11.00

17w1d 5.00 4.60 5.40 30w1d 10.20 9.40 11.00

17w2d 5.00 4.60 5.40 30w2d 10.20 9.40 11.00

17w3d 5.00 4.60 5.40 30w3d 10.20 9.40 11.00

17w4d 5.00 4.60 5.40 30w4d 10.20 9.40 11.00

17w5d 5.00 4.60 5.40 30w5d 10.20 9.40 11.00

17w6d 5.00 4.60 5.40 30w6d 10.20 9.40 11.00

18w0d 5.40 5.00 5.90 31w0d 10.50 9.60 11.30

18w1d 5.40 5.00 5.90 31w1d 10.50 9.60 11.30

18w2d 5.40 5.00 5.90 31w2d 10.50 9.60 11.30

18w3d 5.40 5.00 5.90 31w3d 10.50 9.60 11.30

18w4d 5.40 5.00 5.90 31w4d 10.50 9.60 11.30

18w5d 5.40 5.00 5.90 31w5d 10.50 9.60 11.30

18w6d 5.40 5.00 5.90 31w6d 10.50 9.60 11.30

19w0d 5.80 5.40 6.30 32w0d 10.70 9.90 11.60

Reference Manual 83

Age (wd) Meas (cm) 5% (cm) 95% (cm) Age (wd) Meas (cm) 5% (cm) 95% (cm)

19w1d 5.80 5.40 6.30 32w1d 10.70 9.90 11.60

19w2d 5.80 5.40 6.30 32w2d 10.70 9.90 11.60

19w3d 5.80 5.40 6.30 32w3d 10.70 9.90 11.60

19w4d 5.80 5.40 6.30 32w4d 10.70 9.90 11.60

19w5d 5.80 5.40 6.30 32w5d 10.70 9.90 11.60

19w6d 5.80 5.40 6.30 32w6d 10.70 9.90 11.60

20w0d 6.20 5.70 6.80 33w0d 11.00 10.10 11.90

20w1d 6.20 5.70 6.80 33w1d 11.00 10.10 11.90

20w2d 6.20 5.70 6.80 33w2d 11.00 10.10 11.90

20w3d 6.20 5.70 6.80 33w3d 11.00 10.10 11.90

20w4d 6.20 5.70 6.80 33w4d 11.00 10.10 11.90

20w5d 6.20 5.70 6.80 33w5d 11.00 10.10 11.90

20w6d 6.20 5.70 6.80 33w6d 11.00 10.10 11.90

21w0d 6.70 6.10 7.20 34w0d 11.20 10.30 12.10

21w1d 6.70 6.10 7.20 34w1d 11.20 10.30 12.10

21w2d 6.70 6.10 7.20 34w2d 11.20 10.30 12.10

21w3d 6.70 6.10 7.20 34w3d 11.20 10.30 12.10

21w4d 6.70 6.10 7.20 34w4d 11.20 10.30 12.10

21w5d 6.70 6.10 7.20 34w5d 11.20 10.30 12.10

21w6d 6.70 6.10 7.20 34w6d 11.20 10.30 12.10

22w0d 7.10 6.50 7.70 35w0d 11.30 10.50 12.30

22w1d 7.10 6.50 7.70 35w1d 11.30 10.50 12.30

22w2d 7.10 6.50 7.70 35w2d 11.30 10.50 12.30

22w3d 7.10 6.50 7.70 35w3d 11.30 10.50 12.30

Age (wd) Meas (cm) 5% (cm) 95% (cm) Age (wd) Meas (cm) 5% (cm) 95% (cm)

22w4d 7.10 6.50 7.70 35w4d 11.30 10.50 12.30

22w5d 7.10 6.50 7.70 35w5d 11.30 10.50 12.30

22w6d 7.10 6.50 7.70 35w6d 11.30 10.50 12.30

23w0d 7.50 6.90 8.20 36w0d 11.50 10.60 12.40

23w1d 7.50 6.90 8.20 36w1d 11.50 10.60 12.40

23w2d 7.50 6.90 8.20 36w2d 11.50 10.60 12.40

23w3d 7.50 6.90 8.20 36w3d 11.50 10.60 12.40

23w4d 7.50 6.90 8.20 36w4d 11.50 10.60 12.40

23w5d 7.50 6.90 8.20 36w5d 11.50 10.60 12.40

23w6d 7.50 6.90 8.20 36w6d 11.50 10.60 12.40

24w0d 7.90 7.30 8.60 37w0d 11.60 10.70 12.50

24w1d 7.90 7.30 8.60 37w1d 11.60 10.70 12.50

24w2d 7.90 7.30 8.60 37w2d 11.60 10.70 12.50

24w3d 7.90 7.30 8.60 37w3d 11.60 10.70 12.50

24w4d 7.90 7.30 8.60 37w4d 11.60 10.70 12.50

24w5d 7.90 7.30 8.60 37w5d 11.60 10.70 12.50

24w6d 7.90 7.30 8.60 37w6d 11.60 10.70 12.50

25w0d 8.30 7.70 9.00 38w0d 11.60 10.70 12.60

25w1d 8.30 7.70 9.00 38w1d 11.60 10.70 12.60

25w2d 8.30 7.70 9.00 38w2d 11.60 10.70 12.60

25w3d 8.30 7.70 9.00 38w3d 11.60 10.70 12.60

25w4d 8.30 7.70 9.00 38w4d 11.60 10.70 12.60

25w5d 8.30 7.70 9.00 38w5d 11.60 10.70 12.60

25w6d 8.30 7.70 9.00 38w6d 11.60 10.70 12.60

Reference Manual 84

Age (wd) Meas (cm) 5% (cm) 95% (cm) Age (wd) Meas (cm) 5% (cm) 95% (cm)

26w0d 8.70 8.10 9.50 39w0d 11.60 10.70 12.60

26w1d 8.70 8.10 9.50 39w1d 11.60 10.70 12.60

26w2d 8.70 8.10 9.50 39w2d 11.60 10.70 12.60

26w3d 8.70 8.10 9.50 39w3d 11.60 10.70 12.60

26w4d 8.70 8.10 9.50 39w4d 11.60 10.70 12.60

26w5d 8.70 8.10 9.50 39w5d 11.60 10.70 12.60

26w6d 8.70 8.10 9.50 39w6d 11.60 10.70 12.60

Inner Ocular Distance (IOD): HANSMANN

Fetal Growth Table

Hansmann, Hackeloer, Staudach, Wittman. “Ultrasound Diagnosis in Obsterics and
Gynecology.” Springer-Verlag, New York, 1986, p.177

Age (w) Meas (cm) 5% (cm) 95% (cm) Age (w) Meas (cm) 5% (cm) 95% (cm)

12 0.8 0.4 1.1 27 1.6 1.3 1.9

13 0.8 0.5 1.1 28 1.7 1.4 2.0

14 0.9 0.6 1.2 29 1.7 1.4 2.0

15 1.0 0.6 1.3 30 1.8 1.5 2.1

16 1.0 0.7 1.3 31 1.8 1.5 2.1

17 1.1 0.8 1.4 32 1.9 1.5 2.2

18 1.1 0.8 1.5 33 1.9 1.6 2.2

19 1.2 0.9 1.5 34 1.9 1.6 2.2

20 1.3 1.0 1.6 35 2.0 1.6 2.3

21 1.3 1.0 1.6 36 2.0 1.7 2.3

Age (w) Meas (cm) 5% (cm) 95% (cm) Age (w) Meas (cm) 5% (cm) 95% (cm)

22 1.4 1.1 1.7 37 2.0 1.7 2.3

23 1.4 1.1 1.7 38 2.1 1.7 2.4

24 1.5 1.2 1.8 39 2.1 1.8 2.4

25 1.5 1.2 1.9 40 2.1 1.8 2.4

26 1.6 1.3 1.9

Outer Ocular Distance (OOD): JEANTY

GA Table

Jeanty, P., Rodesch, F., Delbeke, D., Dumont, J. “Estimation of Gestational Age from
Measurements of Fetal Long Bones” Journal of Ultrasound Medicine, 3: 75-79, February,
1984

Meas (cm) Age (wd) 5% (wd) 95% (wd) Meas (cm) Age (wd) 5% (wd) 95% (wd)

1.50 10w3d 07w1d 13w6d 4.10 25w6d 23w1d 29w1d

1.60 11w0d 07w5d 14w3d 4.20 26w4d 23w4d 29w6d

1.70 11w4d 08w2d 15w0d 4.30 27w1d 23w6d 30w3d

1.80 12w1d 08w6d 15w4d 4.40 27w5d 24w3d 31w0d

1.90 12w6d 09w4d 16w1d 4.50 28w2d 25w0d 31w4d

2.00 13w3d 10w1d 16w5d 4.60 28w6d 25w4d 32w1d

2.10 14w0d 10w5d 17w2d 4.70 29w4d 26w1d 32w6d

2.20 14w4d 11w2d 17w6d 4.80 30w1d 26w6d 33w3d

2.30 15w1d 11w6d 18w4d 4.90 30w5d 27w2d 34w0d

2.40 15w6d 12w4d 19w1d 5.00 31w2d 27w6d 34w4d

2.50 16w3d 13w1d 19w5d 5.10 31w6d 28w4d 35w1d

Reference Manual 85

Meas (cm) Age (wd) 5% (wd) 95% (wd) Meas (cm) Age (wd) 5% (wd) 95% (wd)

2.60 17w0d 13w5d 20w2d 5.20 32w4d 29w1d 35w6d

2.70 17w4d 14w2d 20w6d 5.30 33w0d 29w5d 36w3d

2.80 18w1d 14w6d 21w4d 5.40 33w4d 30w2d 37w0d

2.90 18w6d 15w4d 22w1d 5.50 34w1d 30w6d 37w4d

3.00 19w3d 16w1d 22w5d 5.60 34w6d 31w4d 38w1d

3.10 20w0d 16w4d 23w2d 5.70 35w3d 32w1d 38w5d

3.20 20w4d 17w1d 23w6d 5.80 36w0d 32w5d 39w2d

3.30 21w1d 17w6d 24w4d 5.90 36w4d 33w2d 39w6d

3.40 21w5d 18w3d 25w1d 6.00 37w1d 33w6d 40w4d

3.50 22w2d 19w0d 25w5d 6.10 37w6d 34w4d 41w1d

3.60 22w6d 19w4d 26w2d 6.20 38w3d 35w1d 41w4d

3.70 23w4d 20w1d 26w6d 6.30 39w0d 35w5d 42w2d

3.80 24w1d 20w6d 27w3d 6.40 39w4d 36w2d 42w6d

3.90 24w5d 21w3d 28w0d 6.50 40w1d 36w6d 43w4d

4.00 25w2d 22w0d 28w4d

Outer Ocular Distance (OOD): HANSMANN

Fetal Growth Table

Hansmann, Hackeloer, Staudach and Wittman. “Ultrasound Diagnosis in Obstetrics and
Gynecology” Springer-Verlag, New York, 1986; p.177

Age (w) Meas (cm) 5% (cm) 95% (cm) Age (w) Meas (cm) 5% (cm) 95% (cm)

12 1.6 1.1 2.0 27 4.5 4.0 4.9

13 1.8 1.4 2.3 28 4.6 4.2 5.1

14 2.0 1.6 2.5 29 4.8 4.3 5.2

15 2.3 1.8 2.7 30 4.9 4.5 5.3

16 2.5 2.0 2.9 31 5.0 4.6 5.5

17 2.7 2.2 3.1 32 5.2 4.7 5.6

18 2.9 2.4 3.3 33 5.3 4.9 5.7

19 3.1 2.6 3.5 34 5.4 5.0 5.8

20 3.3 2.8 3.7 35 5.5 5.1 6.0

21 3.5 3.0 3.9 36 5.6 5.2 6.1

22 3.6 3.2 4.1 37 5.7 5.3 6.2

23 3.8 3.4 4.3 38 5.8 5.4 6.3

24 4.0 3.5 4.4 39 5.9 5.5 6.4

25 4.2 3.7 4.6 40 6.0 5.6 6.4

26 4.3 3.9 4.7

Reference Manual 86

Humerus (HUM): JEANTY

GA Table

Jeanty et al,. “Estimation of Gestational Age from Measurements of Fetal Long Bones”
Journal of Ultrasound in Medicine, February 1984. Vol 3. pp75-79

Meas (cm) Age (wd) 5% (wd) 95% (wd)

1.0 12w4d 9w6d 15w2d

1.1 12w6d 10w1d 15w4d

1.2 13w1d 10w3d 15w6d

1.3 13w4d 10w6d 16w1d

1.4 13w6d 11w1d 16w4d

1.5 14w1d 11w3d 16w6d

1.6 14w4d 11w6d 17w2d

1.7 14w6d 12w1d 17w4d

1.8 15w1d 12w4d 18w0d

1.9 15w4d 12w6d 18w2d

2.0 15w6d 13w1d 18w5d

2.1 16w2d 13w4d 19w1d

2.2 16w5d 13w6d 19w3d

2.3 17w1d 14w2d 19w6d

2.4 17w3d 14w5d 20w1d

2.5 17w6d 15w1d 20w4d

2.6 18w1d 15w4d 21w0d

2.7 18w4d 15w6d 21w3d

2.8 19w0d 16w2d 21w6d

Meas (cm) Age (wd) 5% (wd) 95% (wd)

2.9 19w3d 16w5d 22w1d

3.0 19w6d 17w1d 22w4d

3.1 20w2d 17w4d 23w0d

3.2 20w5d 18w0d 23w4d

3.3 21w1d 18w3d 23w6d

3.4 21w4d 18w6d 24w2d

3.5 22w0d 19w2d 24w6d

3.6 22w4d 19w5d 25w1d

3.7 22w6d 20w1d 25w5d

3.8 23w3d 20w4d 26w1d

3.9 23w6d 21w1d 26w4d

4.0 24w2d 21w4d 27w1d

4.1 24w6d 22w0d 27w4d

4.2 25w2d 22w4d 28w0d

4.3 25w5d 23w0d 28w4d

4.4 26w1d 23w4d 29w0d

4.5 26w5d 24w0d 29w4d

4.6 27w1d 24w4d 30w0d

4.7 27w5d 25w0d 30w4d

4.8 28w1d 25w4d 31w0d

4.9 28w6d 26w0d 31w4d

5.0 29w2d 26w4d 32w0d

5.1 29w6d 27w1d 32w4d

5.2 30w2d 27w4d 33w1d

Reference Manual 87

Meas (cm) Age (wd) 5% (wd) 95% (wd)

5.3 30w6d 28w1d 33w4d

5.4 31w3d 28w5d 34w1d

5.5 32w0d 29w1d 34w5d

5.6 32w4d 29w6d 35w2d

5.7 33w1d 30w2d 35w6d

5.8 33w4d 30w6d 36w3d

5.9 34w1d 31w3d 36w6d

6.0 34w6d 32w0d 37w4d

6.1 35w2d 32w4d 38w1d

6.2 35w6d 33w1d 38w5d

6.3 36w4d 33w6d 39w2d

6.4 37w1d 34w3d 39w6d

6.5 37w5d 35w0d 40w4d

6.6 38w2d 35w4d 41w1d

6.7 38w6d 36w1d 41w5d

6.8 39w4d 36w6d 42w2d

6.9 40w1d 37w3d 42w6d

Fetal Growth Table

Jeanty, P. “Fetal Limb Biometry” (Letter) Radiology, 147: 602, 1983

Age (w) Meas (cm) 5% (cm) 95% (cm) Age (w) Meas (cm) 5% (cm) 95% (cm)

11 0.6 0.6 0.6 26 4.5 3.6 4.9

12 0.9 0.3 1 27 4.6 4.2 5.1

13 1.3 0.5 2 28 4.8 4.1 5.2

14 1.6 0.5 2 29 5 4.4 5.6

15 1.8 1.1 2.6 30 5.2 4.4 5.6

16 2.1 1.2 2.5 31 5.3 4.7 5.9

17 2.4 1.9 2.9 32 5.5 4.7 5.9

18 2.7 1.8 3 33 5.6 5 6.2

19 2.9 2.2 3.6 34 5.7 5 6.2

20 3.2 2.3 3.6 35 5.8 5.2 6.5

21 3.4 2.8 4 36 6 5.3 6.3

22 3.6 2.8 4 37 6.1 5.7 6.4

23 3.8 3.2 4.5 38 6.1 5.5 6.6

24 4.1 3.1 4.6 39 6.2 5.6 6.9

25 4.3 3.5 5.1 40 6.3 5.6 6.9

Reference Manual 88

Humerus (HUM): KOREAN

GA Table

Y.G Park. “The Standardization of Fetal body parts according to the normal Korean
Gestational Age in Ultrasound” Korean Ultrasound Institute, Vol. 14, No.2, 1995

GA = HUM × 3.02718 + 0.2005 × HUM

Output Unit: w (weeks)

Input Unit: cm

Min Range: 0.7 cm

Max Range: 7.3 cm

Fetal Growth Table

Y.G Park. “The Standardization of Fetal body parts according to the normal Korean
Gestational Age in Ultrasound” Korean Ultrasound Institute, Vol. 14, No.2, 1995

HUM = 36.79948 × MA – 2.9359 × MA

Output Unit: cm

Input Unit: w (week)

Min Range: 12 w

Max Range: 40 w

Age (w) Meas (cm) ±SD (cm) Age (w) Meas (cm) ±SD (cm)

12 0.690 0.118 32 5.495 0.212

16 1.796 0.122 34 5.800 0.253

20 2.803 0.129 36 6.114 0.249

24 3.802 0.169 38 6.396 0.256

28 4.605 0.178 40 6.579 0.316

2

+ 9.907522

2

– 33.413660

Humerus (HUM): MERZ

GA Table

Merz, Eberband, “Ultrasonic Mensuration of Fetal Limb Bones in the Second and Third
Trimesters.” J Clin Ultrasound 15: 175-183, Table 1, March/April 1987

Meas (cm) Age (wd) Meas (cm) Age (wd) Meas (cm) Age (wd)

1.00 13w0d 3.70 23w0d 5.60 33w0d

1.20 14w0d 3.80 24w0d 5.80 34w0d

1.40 15w0d 4.20 25w0d 5.90 35w0d

1.70 16w0d 4.30 26w0d 6.00 36w0d

2.00 17w0d 4.50 27w0d 6.10 37w0d

2.30 18w0d 4.70 28w0d 6.40 38w0d

2.60 19w0d 4.80 29w0d 6.50 39w0d

2.90 20w0d 5.00 30w0d 6.60 40w0d

3.20 21w0d 5.30 31w0d

3.30 22w0d 5.40 32w0d

Reference Manual 89

Fetal Growth Table

E. Merz, W. Goldhofer, E. Timor-Tritsch “Ultrasound in Gynecology and Obstetrics” Textbook
and Atlas, 1991 Georg Thieme Verlag, 308-338

Age (w) Meas (cm) 5% (cm) 95% (cm) Age (w) Meas (cm) 5% (cm) 95% (cm)

12 0.80 0.40 1.10 27 4.60 4.20 5.00

13 1.10 0.70 1.40 28 4.80 4.40 5.20

14 1.40 1.00 1.70 29 5.00 4.60 5.40

15 1.60 1.30 2.00 30 5.20 4.80 5.60

16 1.90 1.60 2.30 31 5.40 4.90 5.80

17 2.20 1.80 2.60 32 5.50 5.10 6.00

18 2.50 2.10 2.80 33 5.70 5.30 6.20

19 2.70 2.40 3.10 34 5.90 5.40 6.30

20 3.00 2.60 3.40 35 6.00 5.50 6.50

21 3.20 2.90 3.60 36 6.10 5.70 6.60

22 3.50 3.10 3.90 37 6.30 5.80 6.70

23 3.70 3.30 4.10 38 6.40 5.90 6.90

24 4.00 3.60 4.40 39 6.50 6.00 7.00

25 4.20 3.80 4.60 40 6.60 6.20 7.10

26 4.40 4.00 4.80

Humerus (HUM): OSAKA

GA Table

Osaka University Method 1989, 3 by Univ. Of Osaka

Meas (cm) Age (wd) Meas (cm) Age (wd) Meas (cm) Age (wd)

1.00 13w0d 2.80 19w4d 4.60 28w0d

1.10 13w2d 2.90 20w0d 4.70 28w4d

1.20 13w5d 3.00 20w3d 4.80 29w1d

1.30 14w0d 3.10 20w5d 4.90 29w5d

1.40 14w2d 3.20 21w2d 5.00 30w3d

1.50 14w5d 3.30 21w4d 5.10 31w0d

1.60 15w0d 3.40 22w1d 5.20 31w5d

1.70 15w3d 3.50 22w4d 5.30 32w3d

1.80 15w5d 3.60 23w0d 5.40 33w1d

1.90 16w1d 3.70 23w3d 5.50 33w6d

2.00 16w3d 3.80 23w6d 5.60 34w4d

2.10 16w5d 3.90 24w2d 5.70 35w3d

2.20 17w2d 4.00 24w6d 5.80 36w2d

2.30 17w4d 4.10 25w3d 5.90 37w1d

2.40 18w0d 4.20 26w0d 6.00 38w1d

2.50 18w3d 4.30 26w3d 6.10 39w2d

2.60 18w6d 4.40 26w6d 6.20 40w0d

2.70 19w1d 4.50 27w3d

Reference Manual 90

Fetal Growth Table

Osaka University Method 1989, 3 by Univ. Of Osaka

Age (w) Meas (cm) ±1.5 SD (cm) Age (w) Meas (cm) ±1.5 SD (cm)

13 1.12 0.21 27 4.48 0.42

14 1.33 0.24 28 4.67 0.41

15 1.56 0.27 29 4.86 0.40

16 1.81 0.30 30 5.03 0.39

17 2.06 0.33 31 5.19 0.38

18 2.32 0.36 32 5.34 0.37

19 2.57 0.38 33 5.48 0.36

20 2.83 0.40 34 5.61 0.34

21 3.09 0.41 35 5.72 0.33

22 3.34 0.42 36 5.83 0.32

23 3.59 0.43 37 5.93 0.31

24 3.83 0.43 38 6.03 0.29

25 4.05 0.43 39 6.11 0.28

26 4.27 0.47 40 6.19 0.28

Humerus (HUM): ASUM(SCW)

GA Table

Australasian Society for Ultrasound in Medicine.

Policies and Statements – [D7] Statement On Normal Ultrasonic Fetal Measurements
(Revised May 2001)

GA = 0.406 × (HUM × 10) – 0.002804 × (HUM × 10)

Output Unit: w (weeks)

Input Unit: cm

Min Range: 0.68 cm

Max Range: 6.83 cm

Fetal Growth Table

Australasian Society for Ultrasound in Medicine.

Policies and Statements – [D7] Statement On Normal Ultrasonic Fetal Measurements
(Revised May 2001)

Age (w) Meas (cm) ±2SD (cm) Age (w) Meas (cm) ±2SD (cm)

11 0.8 0.30 27 4.7 0.40

12 0.9 0.20 28 5.0 0.50

13 1.1 0.30 29 5.1 0.50

14 1.4 0.40 30 5.2 0.50

15 1.7 0.55 31 5.4 0.50

16 2.1 0.40 32 5.6 0.50

17 2.5 0.50 33 5.7 0.60

18 2.7 0.55 34 5.9 0.55

19 2.9 0.50 35 6.0 0.60

20 3.1 0.50 36 6.2 0.50

2

+ 0.0000563 × (HUM × 10)3 + 8.411

Reference Manual 91

Age (w) Meas (cm) ±2SD (cm) Age (w) Meas (cm) ±2SD (cm)

21 3.2 0.60 37 6.3 0.60

22 3.5 0.60 38 6.4 0.60

23 3.8 0.40 39 6.5 0.55

24 4.0 0.60 40 6.6 0.60

25 4.3 0.50 41 6.8 0.60

26 4.4 0.40

Humerus (HUM): HANSMANN

Fetal Growth Table

Hansmann, Hackeloer, Staudach and Wittman. “Ultrasound Diagnosis in Obstetrics and
Gynecology” Springer-Verlag, New York, 1986; p.177

Age (w) Meas (cm) 5% (cm) 95% (cm) Age (w) Meas (cm) 5% (cm) 95% (cm)

12 0.9 0.9 0.9 27 4.6 4.1 5.1

13 1.1 0.6 1.6 28 4.8 4.3 5.3

14 1.4 0.9 1.9 29 5.0 4.5 5.5

15 1.7 1.2 2.2 30 5.1 4.7 5.6

16 2.0 1.5 2.5 31 5.3 4.8 5.8

17 2.2 1.8 2.7 32 5.5 5.0 6.0

18 2.5 2.0 3.0 33 5.6 5.1 6.1

19 2.8 2.3 3.3 34 5.8 5.3 6.3

20 3.0 2.5 3.5 35 5.9 5.4 6.4

21 3.3 2.8 3.8 36 6.1 5.6 6.5

22 3.5 3.0 4.0 37 6.2 5.7 6.7

Age (w) Meas (cm) 5% (cm) 95% (cm) Age (w) Meas (cm) 5% (cm) 95% (cm)

23 3.8 3.3 4.2 38 6.3 5.9 6.8

24 4.0 3.5 4.5 39 6.5 6.0 7.0

25 4.2 3.7 4.7 40 6.6 6.1 7.1

26 4.4 3.9 4.9

Tibia (TIB): JEANTY

GA Table

Jeanty et al,. “Estimation of Gestational Age from Measurements of Fetal Long Bones”
Journal of Ultrasound in Medicine, February 1984. Vol 3. pp75-79

Meas (cm) Age (wd) 5% (wd) 95% (wd) Meas (cm) Age (wd) 5% (wd) 95% (wd)

1.00 13w3d 10w4d 16w2d 4.00 25w2d 22w3d 28w1d

1.10 13w5d 10w6d 16w4d 4.10 25w5d 22w6d 28w4d

1.20 14w1d 11w1d 17w0d 4.20 26w1d 23w2d 29w1d

1.30 14w3d 11w4d 17w2d 4.30 26w4d 23w5d 29w4d

1.40 14w6d 11w6d 17w5d 4.40 27w1d 24w1d 30w0d

1.50 15w1d 12w1d 18w0d 4.50 27w4d 24w4d 30w4d

1.60 15w4d 12w4d 18w3d 4.60 28w0d 25w1d 30w6d

1.70 15w6d 13w0d 18w6d 4.70 28w4d 25w4d 31w3d

1.80 16w1d 13w2d 19w1d 4.80 29w0d 26w1d 31w6d

1.90 16w4d 13w5d 19w4d 4.90 29w3d 26w4d 32w2d

2.00 17w0d 14w1d 19w6d 5.00 29w6d 27w0d 32w6d

2.10 17w3d 14w4d 20w2d 5.10 30w3d 27w4d 33w2d

2.20 17w6d 14w6d 20w5d 5.20 30w6d 28w0d 33w6d

Reference Manual 92

Meas (cm) Age (wd) 5% (wd) 95% (wd) Meas (cm) Age (wd) 5% (wd) 95% (wd)

2.30 18w1d 15w1d 21w1d 5.30 31w3d 28w4d 34w2d

2.40 18w4d 15w4d 21w3d 5.40 31w6d 29w0d 34w6d

2.50 18w6d 16w0d 21w6d 5.50 32w3d 29w4d 35w2d

2.60 19w2d 16w3d 22w1d 5.60 32w6d 30w0d 35w6d

2.70 19w5d 16w6d 22w4d 5.70 33w3d 30w4d 36w2d

2.80 20w1d 17w1d 23w0d 5.80 33w6d 31w0d 36w6d

2.90 20w4d 17w4d 23w4d 5.90 34w3d 31w4d 37w2d

3.00 21w0d 18w1d 23w6d 6.00 34w6d 32w0d 37w6d

3.10 21w3d 18w4d 24w2d 6.10 35w3d 32w4d 38w2d

3.20 21w6d 18w6d 24w5d 6.20 35w6d 33w0d 38w6d

3.30 22w1d 19w2d 25w1d 6.30 36w4d 33w4d 39w3d

3.40 22w4d 19w5d 25w4d 6.40 37w0d 34w1d 39w6d

3.50 23w1d 20w1d 26w0d 6.50 37w4d 34w4d 40w3d

3.60 23w4d 20w4d 26w3d 6.60 38w0d 35w1d 41w0d

3.70 23w6d 21w0d 26w6d 6.70 38w4d 35w5d 41w4d

3.80 24w3d 21w4d 27w2d 6.80 39w1d 36w1d 42w0d

3.90 24w6d 21w6d 27w5d 6.90 39w5d 36w6d 42w4d

Fetal Growth Table

Jeanty, P. “Fetal Limb Biometry” (Letter) Radiology, 147: 602, 1983

Age (w) Meas (cm) 5% (cm) 95% (cm) Age (w) Meas (cm) 5% (cm) 95% (cm)

11 0.4 0.4 0.4 26 4.3 3.3 4.9

12 0.7 0.7 0.7 27 4.5 3.9 5.1

13 1 0.4 1.7 28 4.7 3.8 5.2

14 1.3 0.2 1.9 29 4.9 4 5.7

15 1.6 0.5 2.7 30 5.1 4.1 5.6

16 1.9 0.7 2.5 31 5.2 4.6 5.8

17 2.2 1.5 2.9 32 5.4 4.6 5.9

18 2.4 1.4 2.9 33 5.6 4.9 6.2

19 2.7 1.9 3.5 34 5.7 4.7 6.4

20 2.9 1.9 3.5 35 5.9 4.8 6.9

21 3.2 2.4 3.9 36 6 4.9 6.8

22 3.4 2.5 3.9 37 6.1 5.2 7.1

23 3.6 3 4.3 38 6.2 5.4 6.9

24 3.9 2.8 4.5 39 6.4 5.8 6.9

25 4.1 3.1 5 40 6.5 5.8 6.9

Reference Manual 93

Tibia (TIB): MERZ

GA Table

Merz, E., et al. “Ultrasonic Mensuration of Fetal Limb Bones in the Second and Third
Trimesters.” J Clin Ultrasound 15: 175-183, Table 1, March/April 1987

Meas (cm) Age (wd) Meas (cm) Age (wd) Meas (cm) Age (wd) Meas (cm) Age (wd)

0.90 13w0d 3.00 21w0d 4.60 29w0d 6.10 37w0d

1.00 14w0d 3.20 22w0d 4.80 30w0d 6.20 38w0d

1.30 15w0d 3.60 23w0d 5.10 31w0d 6.40 39w0d

1.60 16w0d 3.70 24w0d 5.20 32w0d 6.50 40w0d

1.80 17w0d 4.00 25w0d 5.40 33w0d 6.60 41w0d

2.20 18w0d 4.20 26w0d 5.70 34w0d 6.80 42w0d

2.50 19w0d 4.40 27w0d 5.80 35w0d

2.70 20w0d 4.50 28w0d 6.00 36w0d

Fetal Growth Table

E. Merz, W. Goldhofer, E. Timor-Tritsch “Ultrasound in Gynecology and Obstetrics” Textbook
and Atlas, 1991 Georg Thieme Verlag, 308-338

Age (w) Meas (cm) 5% (cm) 95% (cm) Age (w) Meas (cm) 5% (cm) 95% (cm)

12 0.70 0.40 1.00 27 4.50 4.00 4.90

13 1.00 0.60 1.30 28 4.70 4.20 5.10

14 1.20 0.90 1.60 29 4.90 4.40 5.30

15 1.50 1.20 1.90 30 5.00 4.60 5.50

16 1.80 1.40 2.10 31 5.20 4.80 5.70

17 2.10 1.70 2.40 32 5.40 5.00 5.80

18 2.30 2.00 2.70 33 5.60 5.10 6.00

19 2.60 2.20 3.00 34 5.70 5.30 6.20

20 2.80 2.50 3.20 35 5.90 5.40 6.30

21 3.10 2.70 3.50 36 6.00 5.60 6.50

22 3.30 2.90 3.70 37 6.20 5.70 6.60

23 3.60 3.20 4.00 38 6.30 5.90 6.80

24 3.80 3.40 4.20 39 6.40 6.00 6.90

25 4.00 3.60 4.40 40 6.60 6.10 7.00

26 4.20 3.80 4.60

Reference Manual 94

Tibia (TIB): HANSMANN

Fetal Growth Table

Hansmann, Hackeloer, Staudach and Wittman. “Ultrasound Diagnosis in Obstetrics and
Gynecology” Springer-Verlag, New York, 1986; P.182

Age (w) Meas (cm) 5% (cm) 95% (cm) Age (w) Meas (cm) 5% (cm) 95% (cm)

12 0.7 0.7 0.7 27 4.4 3.9 4.9

13 1.0 1.0 1.0 28 4.6 4.1 5.1

14 1.2 0.7 1.7 29 4.8 4.3 5.3

15 1.5 0.9 2.0 30 5.0 4.5 5.5

16 1.7 1.2 2.2 31 5.2 4.7 5.7

17 2.0 1.5 2.5 32 5.4 4.8 5.9

18 2.2 1.7 2.7 33 5.5 5.0 6.0

19 2.5 2.0 3.0 34 5.7 5.2 6.2

20 2.7 2.2 3.3 35 5.8 5.3 6.4

21 3.0 2.5 3.5 36 6.0 5.5 6.5

22 3.2 2.7 3.8 37 6.1 5.6 6.7

23 3.5 3.0 4.0 38 6.3 5.8 6.8

24 3.7 3.2 4.2 39 6.4 5.9 6.9

25 4.0 3.4 4.5 40 6.6 6.1 7.1

26 4.2 3.7 4.7

Thorax Transverse Diameter (TTD): HANSMANN

GA Table

Meas (cm) Age (wd) Meas (cm) Age (wd)

1.7 12w0d 6.5 27w0d

2.0 13w0d 6.9 28w0d

2.4 14w0d 7.2 29w0d

2.7 15w0d 7.4 30w0d

3.1 16w0d 7.8 31w0d

3.4 17w0d 8.1 32w0d

3.7 18w0d 8.3 33w0d

4.0 19w0d 8.6 34w0d

4.4 20w0d 8.9 35w0d

4.7 21w0d 9.2 36w0d

5.0 22w0d 9.4 37w0d

5.3 23w0d 9.7 38w0d

5.6 24w0d 9.9 39w0d

5.9 25w0d 10.1 40w0d

6.2 26w0d

Reference Manual 95

Fetal Growth Table

Hansmann, Hackeloer, Staudach, Wittman “Ultrasound Diagnosis in Obstetrics and
Gynecology” Springer-Verlag, New York, 1986

Age (w) Meas (cm) Min (cm) Max (cm) Age (w) Meas (cm) Min (cm) Max (cm)

12 1.70 1.70 1.70 27 6.50 5.90 7.30

13 2.00 2.00 2.00 28 6.90 6.20 7.70

14 2.40 2.00 2.80 29 7.20 6.40 8.00

15 2.70 2.30 3.10 30 7.40 6.70 8.30

16 3.10 2.70 3.50 31 7.80 7.00 8.60

17 3.40 3.00 3.80 32 8.10 7.30 8.90

18 3.70 3.30 4.20 33 8.30 7.50 9.30

19 4.00 3.60 4.60 34 8.60 7.80 9.60

20 4.40 3.90 4.90 35 8.90 8.00 9.90

21 4.70 4.20 5.30 36 9.20 8.30 10.20

22 5.00 4.50 5.60 37 9.40 8.50 10.50

23 5.30 4.80 6.00 38 9.70 8.70 10.80

24 5.60 5.00 6.30 39 9.90 8.90 11.10

25 5.90 5.30 6.70 40 10.10 9.10 11.40

26 6.20 5.60 7.00 41 10.20 9.20 11.70

Cerebellum (CEREB): HILL

GA Table

Hill LM, David G, Fries J, Hixson J, Dawn R. “The Transverse Cerebellar Diameter in
Estimating Gestational Age in the Large for Gestational Age Fetus” Obstetrics and
Gynecology,75:981-985, June 1990

Meas (cm) Age (wd) ±2SD (wd) Meas (cm) Age (wd) ±2SD (wd)

1.4 15w1d 1w0d 3.5 29w3d 2w0d

1.5 15w6d 1w0d 3.6 30w0d 2w3d

1.6 16w4d 1w0d 3.7 30w4d 2w3d

1.7 17w1d 1w0d 3.8 31w1d 2w3d

1.8 17w6d 1w0d 3.9 31w6d 2w3d

1.9 18w4d 1w6d 4.0 32w2d 2w3d

2.0 19w2d 1w6d 4.1 32w6d 2w3d

2.1 20w0d 1w6d 4.2 33w3d 2w3d

2.2 20w5d 1w6d 4.3 33w6d 2w3d

2.3 21w3d 1w6d 4.4 34w3d 2w3d

2.4 22w1d 1w6d 4.5 34w6d 2w3d

2.5 22w6d 1w6d 4.6 35w2d 2w3d

2.6 23w4d 1w6d 4.7 35w5d 2w3d

2.7 24w1d 2w0d 4.8 36w1d 3w1d

2.8 24w6d 2w0d 4.9 36w4d 3w1d

2.9 25w4d 2w0d 5.0 36w6d 3w1d

3.0 26w1d 2w0d 5.1 37w1d 3w1d

3.1 26w6d 2w0d 5.2 37w4d 3w1d

Reference Manual 96

Meas (cm) Age (wd) ±2SD (wd) Meas (cm) Age (wd) ±2SD (wd)

3.2 27w4d 2w0d 5.4 38w0d 3w1d

3.3 28w1d 2w0d 5.5 38w2d 3w1d

3.4 28w6d 2w0d 5.6 38w4d 3w1d

Cerebellum (CEREB): CHITTY

GA Table

D.G. Altman, L.S. Chitty. “New Charts for Ultrasound Dating of Pregnancy” Ultrasound in
Obstetrics and Gynecology, Vol.10, p174-191, 1997

Meas (cm) Age (wd) 5% (wd) 95% (wd) Meas (cm) Age (wd) 5% (wd) 95% (wd)

1.30 14w3d 13w1d 16w0d 2.50 24w2d 22w2d 26w3d

1.40 15w2d 14w0d 16w6d 2.60 25w0d 23w0d 27w3d

1.50 16w2d 14w6d 17w5d 2.70 25w6d 23w4d 28w2d

1.60 17w0d 15w4d 18w4d 2.80 26w4d 24w1d 29w2d

1.70 17w6d 16w3d 19w3d 2.90 27w2d 24w5d 30w2d

1.80 18w5d 17w2d 20w2d 3.00 28w0d 25w1d 31w2d

1.90 19w4d 18w0d 21w1d 3.10 28w6d 25w5d 32w2d

2.00 20w3d 18w6d 22w0d 3.20 29w4d 26w1d 33w3d

2.10 21w1d 19w4d 22w6d 3.30 30w2d 26w4d 34w4d

2.20 22w0d 20w2d 23w5d 3.40 31w0d 26w6d 35w5d

2.30 22w5d 21w0d 24w4d 3.50 31w5d 27w2d 36w6d

2.40 23w4d 21w5d 25w4d 3.60 32w3d 27w4d 38w1d

Cerebellum (CEREB): GOLDSTEIN

Fetal Growth Table

Cerebellar measurements with ultrasonography in the evaluation of fetal growth and
development. AM J. Obstet. Gynecol. 156:1065-1069, 1987

Age (w) Meas (cm) 10% (cm) 90% (cm) Age (w) Meas (cm) 10% (cm) 90% (cm)

15 1.40 1.00 1.60 28 3.10 2.70 3.40

16 1.60 1.40 1.70 29 3.40 2.90 3.80

17 1.70 1.60 1.80 30 3.50 3.10 4.00

18 1.80 1.70 1.90 31 3.80 3.20 4.30

19 1.90 1.80 2.20 32 3.80 3.30 4.20

20 2.00 1.80 2.20 33 4.00 3.20 4.40

21 2.20 1.90 2.40 34 4.00 3.30 4.40

22 2.30 2.10 2.40 35 4.05 3.10 4.70

23 2.40 2.20 2.60 36 4.30 3.60 5.50

24 2.50 2.20 2.80 37 4.50 3.70 5.50

25 2.80 2.30 2.90 38 4.85 4.00 5.50

26 2.90 2.50 3.20 39 5.20 5.20 5.50

27 3.00 2.60 3.20