group | gestational age (years) | Pregnancy (second) | Gestational week (week) |
Abnormal group | 28.96 ± 4.59 | 2.41 ± 1.52 | 10.77 ± 2.31 |
Normal group | 29.04 ± 4.61 | 2.50 ± 1.28 | 10.58 ± 2.42 |
P value | 0.32 | 0.18 | 0.25 |
T value | 3.41 | 3.52 | 4.44 |