Antenatal factor | Adjusted odds ratio |
---|---|
(95% confidence interval) | |
BMI† (per 5 units ↑) | 1.40 (1.18-1.66) |
Maternal age (per 5 yr ↑) | 1.37 (1.17-1.61) |
Maternal height (per 1 cm ↓) | 1.09 (1.06-1.12) |
Induction of labour | 1.94 (1.38-2.73) |
Gestation at delivery ≥ 41 wks | 1.64 (1.14-2.35) |