Demographic characteristics

n

%

Maternal age at delivery (years)

16 - 25

29

46.03

26 - 35

30

47.60

>35

4

6.35

Paternal age (years)

16 - 25

7

11.11

26 - 35

25

39.68

>35

31

49.20

Maternal education

Yes

12

19.05

No

51

80.95

Paternal education

Yes

20

31.75

No

43

68.25

Consanguineous marriages

Yes

40

63.5

No

23

36.5

Pregnancy follow-up

Regular

40

63.50

Irregular

19

30.20

none

4

6.30

Folic acid use

Yes

59

93.65

No

4

6.35

Smoking

Yes

0

0

No

63

100