title: Authors' reply Quantifying haemorrhage is a central difficulty when dealing with primary postpartum haemorrhage.
authors.affiliation: Obstetrical, Perinatal and Pediatric Epidemiology Research Team (EPOPé), Inserm UMR 1153, Center for Epidemiology and Statistics Sorbonne Paris Cité, DHU Risks in Pregnancy, Paris Descartes University, Paris, France.|Department of Obstetrics and Gynecology, Trousseau Hospital, APHP, Université Pierre et Marie Curie, Paris, France.
authors.forename: Gilles
authors.initials: G
authors.lastname: Kayem
authors.affiliation: Obstetrical, Perinatal and Pediatric Epidemiology Research Team (EPOPé), Inserm UMR 1153, Center for Epidemiology and Statistics Sorbonne Paris Cité, DHU Risks in Pregnancy, Paris Descartes University, Paris, France.
authors.forename: Catherine
authors.initials: C
authors.lastname: Deneux-Tharaux
mesh_terms: D005260:Female; D005602:France; D006801:Humans; D006473:Postpartum Hemorrhage; D011247:Pregnancy