Variable

Normal BMI N = 1273 n (%)

Overweight BMI N = 415 n (%)

P-value

Obese BMI N = 555 n (%)

P-value

Method of delivery

Normal delivery

983 (77.2)

286 (68.9)

0.003

353 (63.6)

<0.001

Instrumental-assisted vaginal

143 (11.2)

59 (14.2)

61 (11.0)

Elective CS

19 (1.5)

5 (1.2)

12 (2.2)

Emergency CS

128 (10.1)

65 (15.7)

129 (23.2)

Indication of emergency CS

No progress at labor

62 (4.9)

24 (5.8)

0.462

60 (10.8)

<0.001

Fetal distress

49 (3.8)

32 (7.7)

0.001

51 (9.2)

<0.001

Mal presentation

9 (0.7)

2 (0.5)

5 (0.9)

Pregnancy induced hypertension (PIH)

4 (0.3)

1 (0.2)

-

Failed induction

2 (0.2)

2 (0.5)

4 (0.7)

Maternal request

-

2 (0.5)

1 (0.2)

Birth weight

<4000 gm

1238 (97.3)

399 (96.1)

0.253

514 (92.6)

<0.001

≥4000 gm

35 (2.7)

16 (3.9)

41 (7.4)