| Total number | 85 |
|---|---|
| Maternal age (y) | 33.7 ± 7 |
| Nulliparity | 74 (87) |
| Gestational age at PROM (w) | 39.4 ± 2 |
| Body mass index at the start of induction | 24.9 ± 3.3 |
| Bishop score at the start of induction | 1.3 ± 1 |
| Neonatal birth weight (g) | 3170 ± 340 |
| Total number | 85 |
|---|---|
| Findings and procedures on the second day of intervention | |
| After delivery | 2 (2) |
| Prostaglandin preparations | 45 (53) |
| Repeat mechanical methods | 12 (14) |
| Oxytocin use | 26 (31) |
| Total oxytocin use | 59 (69) |
| Number of days from the start of induction to delivery (d) | 2.1 ± 2 |
| Total cesarean delivery | 22 (26) |
| Indication for cesarean delivery (n = 22) | |
| Intrauterine infection | 5 (23) |
| Non-reassuring fetal status | 9 (41) |
| Arrest of labor | 8 (36) |
| Apgar score at 1 minute | 8.3 ± 1 |
| Neonatal asphyxia (Apgar score at 1 minute <7) | 0 (0) |
| Neonatal asphyxia (Apgar score at 5 minutes <7) | 0 (0) |
| Umbilical artery pH | 7.247 ± 0.10 |
| Umbilical artery pH <7.1 | 1 (1) |
| Clinical intrauterine infection | 6 (7) |
| Neonatal intrauterine infection | 0 (0) |
| Maternal fever after the third postoperative day | 1 (1) |
| Cervical ripening method | Mechanical methods | Pharmacological methods | P-value* |
|---|---|---|---|
| Number | 85 | 48 | |
| Maternal age (y) | 33.7 ± 7 | 32.0 ± 6 | 0.01 |
| Nulliparity | 74 (87) | 34 (71) | 0.02 |
| Gestational age at PROM (w) | 39.4 ± 2 | 39.0 ± 2 | 0.11 |
| Neonatal birth weight (g) | 3170 ± 340 | 3130 ± 330 | 0.01 |
| Oxytocin use | 59 (69) | 21 (44) | <0.01 |
| Number of days from the start of induction to delivery (d) | 2.1 ± 2 | 1.8 ± 1 | 0.18 |
| Total cesarean delivery | 22 (26) | 15 (31) | 0.51 |
| Indication for cesarean delivery (n = 26 and 15) | |||
| Intrauterine infection | 5 (23) | 1 (7) | 0.19 |
| Non-reassuring fetal status | 9 (41) | 8 (53) | 0.46 |
| Arrest of labor | 8 (36) | 6 (40) | 0.82 |
| Apgar score at 1 minute | 8.3 ± 1 | 8.7 ± 1 | 0.09 |
| Neonatal asphyxia (Apgar score at 1 minute <7) | 0 (0) | 0 (0) | 1 |
| Neonatal asphyxia (Apgar score at 5 minutes <7) | 0 (0) | 0 (0) | 1 |
| Umbilical artery pH | 7.247 ± 0.10 | 7.285 ± 0.11 | 0.52 |
| Umbilical artery pH <7.1 | 1 (1) | 0 (0) | 0.45 |
| Clinical intrauterine infection | 6 (7) | 2 (4) | 0.53 |
| Neonatal intrauterine infection | 0 (0) | 0 (0) | 1 |
| Maternal fever after the third postoperative day | 1 (1) | 0 (0) | 0.45 |
