Table 1

- Comparison of successful and failed induction of labor (IOL) subgroups.

VariablesSuccessful IOL (n=86)Failed IOL (n=59)P-value
Age (years): mean ± SD26.4 ± 5.925.6 ± 60.4270
Gestational age (weeks): mean ± SD40.6 ± 0.540.7 ± 0.40.2025
Parity (n, %)
Para 130 (35.0)34 (57.6)0.01
Multiparous56 (65.0)25 (42.4)0.01
Indication of IOL
PROM24 (28.0)22 (37.3)0.2390
Prolonged pregnancy22 (25.5)17 (28.8)0.6607
GDM12 (14.0)11 (18.6)0.4580
Non-reassuring CTG19 (22.1)7 (11.9)0.1172
Other9 (10.4)2 (3.4)0.1183
Prostin dose (mg): mean ± SD3.2 ± 0.25.3 ± 0.3<0.001*
Syntocinon augmentation (n, %)5 (5.8)8 (13.6)0.1077
Maternal complications (n, %)
None83 (96.5)55 (93.2)0.364
Abruptio placenta1 (1.2)1 (1.7)1.000
Rupture uterus0 (0)2 (3.4)0.086
Vaginal tear2 (2.3)0 (0)0.242
Post-partum hemorrhage0 (0)1 (1.7)0.354
Fetal complications
None85 (98.8)56 (94.9)0.1625
Shoulder dystocia1 (1.2)0 (0)0.4001
Neonatal hypoxia0 (0)1 (1.7)0.2266
IUFD0 (0)2 (3.4)0.0862

PROM: premature rupture of membranes, GDM: gestational diabetes mellitus, CTG: cardio tocograph,

IUFD: intrauterine fetal death, *Statistically significant at 5% level, IOL: induction of labor