Physiological group (N = 48*) (M ± SD)

Pathological group (N = 18**) (M ± SD)

p

Mean age (year)

30.33 ± 3.82

30.33 ± 5.28

0.995

Mean body mass index (BMI)

21.72 ± 3.06

21.11 ± 3.66

0.503

Mean duration of labour (hours)

7.55 ± 2.92

9.42 ± 5.07

0.071

Mean period of membrane rupture (hours)

5.35 ± 3.33

8.86 ± 9.19

0.027

Mean infant birth weight (grams)

3635.98 ± 409.86

3723.06 ± 320.85

0.422