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 | 0.80 (0.67–0.97) | 0.42 (0.26–0.65) |
38+0–38+6 vs. ≥ 39+0 | 0.83 (0.73–0.95) | 0.65 (0.49–0.87) | |
39+0–39+6 vs. ≥ 40+0 | 0.95 (0.84–1.08) | 0.96 (0.66–1.39) | |
Maternal adverse outcome | 37+0–37+6 vs. ≥ 38+0 | 0.69 (0.39–1.23) | 1.25 (0.73–2.14) |
38+0–38+6 vs. ≥ 39+0 | 1.09 (0.76–1.55) | 0.93 (0.63–1.36) | |
39+0–39+6 vs. ≥ 40+0 | 1.39 (1.07–1.81) | 1.02 (0.82–1.26) | |
Neonatal adverse outcome | 37+0–37+6 vs. ≥ 38+0 | 1.68 (0.97–2.92) | 2.22 (1.32–3.74) |
38+0–38+6 vs. ≥ 39+0 | 0.57 (0.30–1.10) | 0.89 (0.49–1.63) | |
39+0–39+6 vs. ≥ 40+0 | 0.75 (0.44–1.26) | 1.79 (1.08–2.98) | |
NICU admission | 37+0–37+6 vs. ≥ 38+0 | 1.48 (0.99–2.20) | 2.08 (1.47–2.96) |
38+0–38+6 vs. ≥ 39+0 | 0.52 (0.32–0.84) | 0.89 (0.60–1.34) | |
39+0–39+6 vs. ≥ 40+0 | 0.87 (0.61–1.24) | 1.47 (1.02–2.12) | |
Mean difference (95 % CI, days)b | Mean difference (95 % CI, days)b | ||
Maternal hospital stay | 37+0–37+6 vs. ≥ 38+0 | 1.07 (1.02–1.12) | 1.13 (1.09–1.18) |
38+0–38+6 vs. ≥ 39+0 | 1.04 (1.01–1.08) | 1.06 (1.03–1.10) | |
39+0–39+6 vs. ≥ 40+0 | 1.07 (1.03–1.10) | 1.11 (1.08–1.14) |