Table 2.
Characteristics of labors lasting more than 12 h compared to labors lasting 12 h or less
| Labor duration > 12 h n = 85 n (%) |
Labor duration ≤ 12 h n = 373 n (%) |
p-value | |
|---|---|---|---|
| < 5 cm cervical dilatation at labor start | 83 (97.6) | 263 (70.5) | < 0.001 |
| Induction | 21 (24.7) | 92 (24.7) | ns |
| Oxytocin augmentation | 84 (98.8) | 205 (55) | < 0.001 |
| Epidural analgesia | 82 (96.5) | 218 (58.4) | < 0.001 |
| Spontaneous vaginal birth | 35 (41.2) | 260 (69.7) | < 0.001 |
| Operative vaginal birth | 32 (37.6) | 82 (22) | 0.003 |
| Intrapartum cesarean section | 18 (21.2) | 31 (8.3) | 0.001 |
| Bleeding ≥500 ml | 33 (38.8) | 76 (20.4) | 0.001 |
| Sphincter rupture | 1 (1.6) | 6 (1.2) | ns |
| 5 min Apgar score < 7 | 2 (2.4) | 1 (0.3) | ns |
| Wants a caesarean next time | 18 (21.2) a | 34 (9.1) b | 0.003 |
a: 4 CS, 11 opr vag, 3 spontaneous b: 15 CS, 7 opr vag, 12 spontaneous