From: Preventive induction of labor for non-urgent indications at term and maternal and neonatal outcomes
Adverse outcome | Gestational age at induction/delivery | Nulliparas RR (95 % CI)a | Multiparas RR (95 % CI)a |
---|---|---|---|
Cesarean delivery | 37+0–37+6 vs. ≥ 38+0 | 0.95 (0.78–1.15) | 0.86 (0.57–1.30) |
38+0–38+6 vs. ≥ 39+0 | 0.92 (0.80–1.07) | 0.67 (0.47–0.96) | |
39+0–39+6 vs. ≥ 40+0 | 1.14 (1.01–1.29) | 0.89 (0.69–1.16) | |
Maternal adverse outcome | 37+0–37+6 vs. ≥ 38+0 | 0.79 (0.47–1.34) | 1.66 (1.17–2.35) |
38+0–38+6 vs. ≥ 39+0 | 1.41 (1.09–1.81) | 1.01 (0.77–1.33) | |
39+0–39+6 vs. ≥ 40+0 | 1.07 (0.84–1.35) | 0.86 (0.65–1.13) | |
Neonatal adverse outcome | 37+0–37+6 vs. ≥ 38+0 | 0.41 (0.16–1.09) | 1.69 (0.94–3.05) |
38+0–38+6 vs. ≥ 39+0 | 1.10 (0.71–1.70) | 1.32 (0.81–2.17) | |
39+0–39+6 vs. ≥ 40+0 | 0.53 (0.31–0.91) | 1.01 (0.62–1.64) | |
NICU admission | 37+0–37+6 vs. ≥ 38+0 | 1.08 (0.77–1.67) | 2.27 (1.61–3.21) |
38+0–38+6 vs. ≥ 39+0 | 1.50 (1.14–1.98) | 1.61 (1.17–2.19) | |
39+0–39+6 vs. ≥ 40+0 | 0.74 (0.51–1.05) | 1.27 (0.93–1.73) | |
Mean difference (95 % CI, days)b | Mean difference (95 % CI, days)b | ||
Maternal hospital stay | 37+0–37+6 vs. ≥ 38+0 | 1.12 (1.07–1.18) | 1.15 (1.10–1.21) |
38+0–38+6 vs. ≥ 39+0 | 1.08 (1.04–1.12) | 1.10 (1.06–1.14) | |
39+0–39+6 vs. ≥ 40+0 | 1.17 (1.13–1.20) | 1.12 (1.08–1.16) |