Table 6 Comparison of vaginal birth outcomes of primipara between the study and reference groups

Gestation age at birth (weeks)

38.6 ± 1.9

39.4 ± 1.2

0.205^&

Induction of labor (%/n)

27.3 (3)

56.9 (82)

0.111^§

Birthweight (g)

3056.4 ± 493.6

3177.2 ± 377.5

0.319^&

First stage labor duration (hours)

7.2 ± 4.2

9.7 ± 5.1

0.106^&

Second stage labor duration (hours)

1.1 ± 0.8

1.4 ± 1.0

0.313^&

Forceps delivery (%/n)

9.1(1)

9.0 (13)

1.000^*

Postpartum hemorrhage (%/n)

9.1(1)

4.9 (7)

0.453^*

Uterotonic usage (%/n)

45.5(5)

32.6 (47)

0.592^§

Admission to NICU (%/n)

18.2 (2)

12.5(18)

0.940^§