• C Dupont, R-C Rudigoz, M Cortet, S Touzet, C Colin, M Rabilloud, J Lansac, T Harvey, V Tessier, C Chauleur, G Pennehouat, X Morin, M-H Bouvier-Colle, and C Deneux-Tharaux.
• Réseau périnatal Aurore, hôpital de la Croix-Rousse, hospices civils de Lyon, 69004 Lyon, France; EAM 4128, laboratoire « Santé, Individu, Société », faculté de médecine Laënnec, 69372 Lyon, France. Electronic address: corinne.dupont@chu-lyon.fr.
• J Gynecol Obstet Biol Reprod (Paris). 2014 Mar 1;43(3):244-53.

ObjectiveTo estimate the incidence, to describe the aetiology and to identify the risk factors of postpartum haemorrhage (PPH).Material And MethodProspective study conducted in 106 French maternity units of six perinatal networks between December 2004 and November 2006. PPH was defined by a blood loss superior to 500 mL or necessitating an examination of the uterus, or a peripartum haemoglobin drop superior to 2 g/dL. Severe PPH was defined by at least one of these criteria : peripartum haemoglobin drop superior or equal to 4 g/dL, embolization, conservative surgical procedure, hysterectomy, transfusion, transfer to intensive care or death.ResultsThe incidence of PPH was 6.4% [CI 95% 6.3-6.5] with variations between maternity units from 1.5% to 22.0%; incidence of severe PPH was 1.7% [CI 95% 1.6-1.8] with variations between units from 0% to 4%. Atony was the main aetiology of PPH, whatever the mode of delivery and severity. The risk factors identified were those classically described in the literature.ConclusionIn these six French perinatal networks, in 2005-2006, the PPH profile was characterized by an incidence of severe forms higher than previous population-based estimates from other countries. This suggests a more frequent aggravation of PPH and the implication of inadequate PPH management.Copyright © 2013 Elsevier Masson SAS. All rights reserved.

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