Duration of the active first stage of labour and severe perineal lacerations and maternal postpartum complications: a population-based cohort study.
Lisa KognerLouise LundborgXing-Rong LiuLinnea V LadforsMia AhlbergOlof StephanssonAnna SandströmPublished in: BJOG : an international journal of obstetrics and gynaecology (2023)
Increasing active first stage duration is associated with maternal complications in the early postpartum period.