Table 1: Infant variables associated with birth defects in congenitally malformed infants in the 1st year of life in number and percentage of the total number of study sample.

Infant variables

No.

Percentage % of total (880)

Gender

Male

511

58

Female

353

40

Ambiguous

16

2

Birth wt

≥ 2.5 Kg

572

65

< 2.5 Kg

308

53

Pregnancy type

Singleton

837

95

Twin

46

5

Family history of birth defect

Yes

275

31.25

No

605

68.75