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