IOL at 40 GW (40+0 to 40+6) N=456 IOL at 40 GW (40+0 to 40+6) N=456 IOL at 41 GW (41+0 to 41+6) N=318 IOL at 41 GW (41+0 to 41+6) N=318 SOL (40+0 to 41+6) N=1585
Adj OR (95% CI) p value Adj OR (95% CI) p value
Any negative outcome 2.21 (1.75-2.77) <0.001 1.91 (1.47-2.48) <0.001 Ref
All maternal complications 2.18 (1.71-2.77) <0.001 2.34 (1.78-3.07) <0.001 Ref
Caesarean section 2.75 (2.07-3.65) <0.001 3.01 (2.21-4.12) <0.001 Ref
Operative vaginal delivery 1.27 (0.82-1.98) 0.285 0.48 (0.24-0.97) 0.041 Ref
Other maternal complications 0.88 (0.55-1.42) 0.606 1.83 (1.19-2.80) 0.006 Ref
All neonatal complications 1.63 (1.24-2.14) <0.001 1.16 (0.83-1.62) 0.370 Ref