Term Biometrics (mm) Bi-parietal diameter | 17 WA + 2 36.5 | 24 WA + 5 60.6 | 30 WA + 5 77.8 |
Cephalic perimeter | 139.6 | 227.3 | 279.8 |
Abdominal perimeter | 120.1 | 194.1 | 258.7 |
Femoral length | 26.3 | 44.1 | 51.8 |
Estimated foetal weight (gr) | 209 | 687 | 1538 |