Complications

Group

Total

 

Control group (%)

Case group (%)

 

Abruptio placentae

0

1(2)

1

Congenital malformation

0

1(2)

1

Intrauterine fetal death

0

4(8)

4

No complication

25(100)

44(88)

69

Total

25(100)

50(88)

75

χ2= 106.320; df = 3; p = 0.001
Table 8: Distribution of case and control according to complications.