Outcome

placebo group

n = 64

HBB group

n = 59

P-value

Blood loss

35.1 ± 3.3

34.6 ± 2.8

0.414

Episiotomy

12 (18.8)

12 (20.3)

0.824

Perineal tear

15 (23.4)

17 (28.8)

0.497

Birth weight (g) Mean ± SD

3150 ± 230

3300 ± 210

0.612

Apgar score

1 min

5 min

8.1 ± 1.3

9.4 ± 1.0

8.2 ± 1.2

9.4 ± 1.0

0.839

0.855