| Indicators | II Trimester M ± SD | III Trimester M ± SD | ||||
| Male | Female | Р Value | Male | Female | Р Value | |
| Weeks | 58 | 59 |
| 51 | 50 |
|
| Average | 16.7 ± 1.8 | 16.6 ± 1.8 | 0.760 | 30.5 ± 2.0 | 30.9 ± 2.1 | 0.397 |