Clinical aspects

Exposed (n = 70)

Unexposed (n = 140)

Number

Percentage

Number

Percentage

Reason for admission

threat of premature delivery

36

51.4

87

62.1

Premature rupture of membranes

14

20

25

17.9

Metrorrhagia

3

4.3

5

3.6

Other*

17

24.3

23

16.4

Number of gestures

Primigest

19

27.1

46

32.9

Pauci gest

26

37.1

60

42.9

Multigest

19

27.1

31

22.1

Large Multigest

6

8.6

3

2.1

Parity number

Nulliparous

23

32.9

54

38.6

Primiparous

22

31.4

49

35

Multiparous

21

30

35

25

Large multiparous

4

5.7

2

1.4

Preterm delivery

Yes

8

11.4

10

7.1

No

62

88.6

130

92.9

Pregnancy type

Single fetal

54

77.1

104

74.3

Twin

15

21.4

32

22.9

Trimellar

1

1.4

4

2.9