group

N

pre-eclampsia

intrauterine growth retardation

oligohydramnios

placental abruption

cesarean section

preterm Labor

Control

57

18

14

12

3

11

15

Test

59

5

5

7

0

5

8

X2

9.431

5.478

1.787

3.188

2.8562

2.987

P

0.000

0.020

0.176

0.063

0.115

0.109