
Reference Manual 7
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. (Biometric Age
and Growth Equations)
Graph = 1.61 x MA - 0.00998 x MA2 - 13.3
Output Unit : cm
Input Unit : w(weeks)
Min Range : 12 w
Max Range : 40 w
Standard Deviation: 2SD = 2.68 cm
Min Range (cm) Max Range (cm) SD (cm)
0 100 1.34
Abdominal Circumference (AC) : HANSMANN
GA Table
Hansmann, Hackeloer, Staudach, Wittman “Ultrasound Diagnosis in Obstetrics and
Gynecology” Springer- Verlag, New York, 1986, p.431.
AC (cm)
GA (W)
AC (cm)
GA (W)
AC (cm)
GA (W)
AC (cm)
GA (W)
5.30 12w 13.50 20w 20.20 27w 26.80 34w
6.30 13w 14.50 21w 21.10 28w 27.70 35w
7.50 14w 15.50 22w 22.20 29w 28.70 36w
8.50 15w 16.50 23w 23.00 30w 29.60 37w
9.70 16w 17.30 24w 24.00 31w 30.60 38w
10.70 17w 18.30 25w 24.90 32w 31.50 39w
11.60 18w 19.10 26w 25.80 33w 32.00 40w
12.60 19w
Fetal Growth Table
Hansmann, Hackeloer, Staudach, Wittman “Ultrasound Diagnosis in Obstetrics and
Gynecology” Springer- Verlag, New York, 1986, p.431.
GA (W) Growth (cm) GA (W) Growth (cm)
12 5.30 27 20.20
13 6.30 28 21.10
14 7.50 29 22.20
15 8.50 30 23.00
16 9.70 31 24.00
17 10.70 32 24.90
18 11.60 33 25.80
19 12.60 34 26.80
20 13.50 35 27.70
21 14.50 36 28.70
22 15.50 37 29.60
23 16.50 38 30.60
24 17.30 39 31.50
25 18.30 40 32.00
26 19.10
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