Correction to: Differential effects of different delivery methods on progression to severe postpartum hemorrhage between Chinese nulliparous and multiparous women: a retrospective cohort study.
Xu C, Zhong W, Fu Q, Yi L, Deng Y, Cheng Z, Lin X, Cai M, Zhong S, Wang M, Tao H, Xiong H, Jiang X, Chen Y. Correction to: Differential effects of different delivery methods on progression to severe postpartum hemorrhage between Chinese nulliparous and multiparous women: a retrospective cohort study. BMC Pregnancy Childbirth. 2021 Jan 19; 21(1):64.