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Table 2 Antenatal risk factors for 1 st stage caesarean for failure to progress among overweight and obese nullipara

From: Elevated maternal lipids in early pregnancy are not associated with risk of intrapartum caesarean in overweight and obese nulliparous women

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)
  1. † kg/ m2.