Perinatal Outcome in 1515 Cases of Prolonged Second Stage of Labour in Nulliparous Women

To examine perinatal outcomes among nulliparous women with a second stage of labour lasting more than three hours.We conducted a retrospective review of all nulliparous women over a 14-year period who had a term, live, singleton, cephalic fetus ≥ 2500 g and who had a second stage of labour lasting at least three hours. Outcome measures included five-minute Apgar score < 7, cord arterial pH < 7.10, admission to the NICU, neonatal seizures, and...