• , , , et al. Risk of postpartum haemorrhage is associated with ethnicity: a cohort study of 981 801 births in England . BJOG ; : – . https://doi.org/10.1111/1471-0528.17051. • , , , et al., eds. on behalf of MBRRACE-UK. Saving Lives, Improving Mothers' Care Core Report – Lessons learned to inform maternity care from the UK and Ireland Confidential Enquiries into Maternal Deaths and Morbidity 2019–21 . : National Perinatal Epidemiology Unit, University of Oxford, . • , , , et al.