Total (n = 500)

Mild (n = 380)

Severe (n = 120)

χ2

p

No.

%

No.

%

No.

%

IUGR

Absent

405

81.0

380

100

25

20.8

371.39*

<0.001*

Present

95

19.0

0

0.0

95

79.2