Gestational age (weeks) at delivery

N

Percent (%)

<37

37

20.2

≥37

146

79.8

Parity

Para 1

36

19.7

Para 2

85

46.4

Para 3

48

26.2

Para 4 and above

14

7.7

Inter-pregnancy interval (child space)

≤2

14

7.7

>2

133

72.6

Para 1

36

19.7

History of abortion

Yes

14

7.7

No

169

92.3

History of preterm birth

Yes

30

16.4

No

153

83.6