J. Ford, C. Roberts, J. Simpson, J. Vaughan, and C. Cameron, Increased postpartum hemorrhage rates in Australia, International Journal of Gynecology & Obstetrics, vol.9, issue.2, pp.237-280, 2007.
DOI : 10.1016/j.ijgo.2007.03.011

J. Lutomski, B. Byrne, D. Devane, and R. Greene, Increasing trends in atonic postpartum 9

. Haemorrhage-in-ireland, W. Callaghan, C. Berg, and A. S. , 11-year population-based cohort study, BJOG, vol.119, pp.306-320, 2011.

C. Tharaux, Postpartum hemorrhage resulting from uterine atony after vaginal delivery: 16 factors associated with severity Deneux-Tharaux C, Bouvier-Colle MH. Critical care and transfusion 18 management in maternal deaths from postpartum haemorrhage, Obstet Gynecol. Bonnet MP Eur J Obstet Gynecol Reprod, vol.117, issue.7, pp.21-31, 2011.

A. Butwick, P. Aleshi, M. Fontaine, E. Riley, and L. Goodnough, Retrospective analysis 21 of transfusion outcomes in pregnant patients at a tertiary obstetric center, Int J Obstet Anesth, vol.2218, pp.302-310, 2009.

J. Parker, J. Thompson, and S. Stanworth, A retrospective one-year single-centre survey of obstetric red cell transfusions, International Journal of Obstetric Anesthesia, vol.18, issue.4, pp.309-322, 2009.
DOI : 10.1016/j.ijoa.2009.05.008

M. Knight, Peripartum hysterectomy in the UK: management and outcomes of the associated haemorrhage, BJOG: An International Journal of Obstetrics & Gynaecology, vol.25, issue.11, pp.1380-1387, 2007.
DOI : 10.1111/j.1471-0528.2007.01507.x

C. Holm, J. Langhoff-roos, K. Petersen, A. Norgaard, and B. Diness, Severe postpartum 14 haemorrhage and mode of delivery: a retrospective cohort study BJOG : an international 15 journal of obstetrics and gynaecology, pp.596-604, 2012.

G. Boulay and J. Hamza, Anesthesic practices in patients with severe postpartum 22 hemorrhage with persistent or worsening bleeding], J Gynecol Obstet Biol Reprod, vol.2333, pp.4-80, 2004.

E. Kuklina, M. Whiteman, S. Hillis, D. Jamieson, S. Meikle et al., An 3 enhanced method for identifying obstetric deliveries: implications for estimating maternal 4 morbidity. Maternal and child health journal, Obstet Gynecol, vol.11312, issue.20 6, pp.1313-9469, 2008.

C. Osman, J. Cicilia, A. Brand, M. Schipperus, B. Berning et al., Triggers and 8 appropriateness of red blood cell transfusions in the postpartum patient--a retrospective audit, major obstetric haemorrhage in the Netherlands, pp.118-140, 0722.

D. Fries, A. Krismer, A. Klingler, W. Streif, G. Klima et al., Survey of anesthesia-related mortality in France Effect of 13 fibrinogen on reversal of dilutional coagulopathy: a porcine model British journal of 14 anaesthesia, Anesthesiology, vol.10595, issue.15, pp.1087-97172, 2005.

D. Lorenzo, C. Calatzis, A. Welsch, U. Heindl, and B. , Fibrinogen concentrate reverses 16 dilutional coagulopathy induced in vitro by saline but not by hydroxyethyl starch 6%. 17 Anesthesia and analgesia, pp.1194-200, 2006.

P. Bolton-maggs, D. Perry, E. Chalmers, L. Parapia, J. Wilde et al., et 19 al. The rare coagulation disorders--review with guidelines for management from the United 20

T. Haas, D. Fries, C. Velik-salchner, E. Oswald, and P. Innerhofer, Fibrinogen in 23 craniosynostosis surgery. Anesthesia and analgesia, pp.725-756, 2008.