K. Khan, D. Wojdyla, L. Say, A. Gulmezoglu, and P. Van-look, WHO analysis of causes of maternal death: a systematic review, The Lancet, vol.367, issue.9516, pp.1066-74, 2006.
DOI : 10.1016/S0140-6736(06)68397-9

W. Callaghan, A. Mackay, and C. Berg, Identification of severe maternal morbidity during 375 delivery hospitalizations, United States, 1991-2003, Am J Obstet Gynecol, vol.199, issue.3, pp.133-134, 2008.

W. Zhang, S. Alexander, M. Bouvier-colle, and A. Macfarlane, Incidence of severe pre-eclampsia, postpartum haemorrhage and sepsis as a surrogate marker for severe maternal morbidity in a European population-based study: the MOMS-B survey, BJOG: An International Journal of Obstetrics and Gynaecology, vol.93, issue.4, pp.89-96, 2005.
DOI : 10.1046/j.1365-3016.2001.00346.x

J. Zwart, J. Richters, F. Öry, J. De-vries, K. Bloermenkamp et al., Severe maternal morbidity during pregnancy, delivery and puerperium in the Netherlands: a nationwide population-based study of 371???000 pregnancies, BJOG: An International Journal of Obstetrics & Gynaecology, vol.112, issue.7, pp.842-50, 2008.
DOI : 10.1111/j.1471-0528.2008.01713.x

V. Brace, G. Penney, and M. Hall, Quantifying severe maternal morbidity: a Scottish population study, BJOG: An International Journal of Obstetrics and Gynaecology, vol.322, issue.7294, pp.481-485, 2004.
DOI : 10.1097/00000542-200006000-00009

Y. Oyelese and C. Ananth, Postpartum Hemorrhage, Obstetrics and Gynecology Clinics of North America, vol.34, issue.3, pp.147-56, 2007.
DOI : 10.1016/j.ogc.2007.06.007

C. Begley, A comparison of ???active??? and ???physiological??? management of the third stage of labour, Midwifery, vol.6, issue.1, pp.3-17, 1990.
DOI : 10.1016/S0266-6138(05)80091-9

G. Khan, I. John, S. Wani, T. Doherty, and B. Sibai, Controlled cord traction versus minimal intervention techniques in delivery of the placenta: A randomized controlled trial, American Journal of Obstetrics and Gynecology, vol.177, issue.4, pp.770-774, 1997.
DOI : 10.1016/S0002-9378(97)70266-7

W. Prendiville, J. Harding, D. Elbourne, and G. Stirrat, The Bristol Third Stage Trial, Obstetrical & Gynecological Survey, vol.44, issue.9, pp.1295-300, 1988.
DOI : 10.1097/00006254-198909000-00007

J. Rogers, J. Wood, R. Mccandlish, S. Ayers, A. Truesdale et al., Active versus expectant 398 management of third stage of labour: the Hinchingbrooke randomised controlled trial Active versus expectant management 401 for women in the third stage of labour. Cochrane database of systematic reviews (Online), Lancet. Epub, vol.399351, issue.403, pp.693-702, 1998.

A. Lalonde, B. Daviss, A. Acosta, and K. Herschderfer, Postpartum hemorrhage today: ICM/FIGO initiative 2004-2006, International Journal of Gynecology & Obstetrics, vol.109, issue.(8), pp.243-53, 2004.
DOI : 10.1016/j.ijgo.2006.04.016

F. Goffinet, F. Mercier, V. Teyssier, F. Pierre, M. Dreyfus et al., Postpartum 410 haemorrhage: recommendations for clinical practice by the French College of Obstetricians and 411

D. Leduc, V. Senikas, A. Lalonde, C. Ballerman, A. Biringer et al., Active 413 management of the third stage of labour: prevention and treatment of postpartum hemorrhage, 414 Journal of obstetrics and gynaecology Canada : JOGC = Journal d'obstetrique et gynecologie du 415

J. Canada, Royal College of Obstetricians and Gynecologists. Green Top Guideline n°52. Prevention and 417 management of postpartum haemorrhage, Prophylactic use of oxytocin for the third stage of labour, pp.980-93, 2009.

D. Bonham, C. Winter, A. Macfarlane, C. Deneux-tharaux, W. Zhang et al., 424 Variations in policies for management of the third stage of labour and the immediate management of 425 postpartum haemorrhage in Europe, Br Med J. 422 Bjog, vol.2114, issue.21, pp.1620-3845, 1963.

F. Goffinet, Inversion uterine

. Paris, Flammarion Medecine-Sciences, pp.941-945, 2003.

J. Kemp, P. Lumbiganon, S. Landoulsi, and M. Widmer, A REVIEW OF CORD TRACTION IN THE THIRD STAGE OF LABOUR FROM 1963 TO 1969, Obstetrical & Gynecological Survey, vol.27, issue.2, pp.899-903, 1971.
DOI : 10.1097/00006254-197202000-00005

W. Zhang, C. Deneux-tharaux, P. Brocklehurst, E. Juszczak, M. Joslin et al., Effect of a collector bag for measurement of postpartum blood loss after vaginal delivery: cluster randomised trial in 13 European countries, BMJ, vol.340, issue.feb01 1, pp.293-318, 2010.
DOI : 10.1136/bmj.c293

URL : https://hal.archives-ouvertes.fr/inserm-00455479

W. Rath, Postpartum hemorrhage - update on problems of definitions and diagnosis*, Acta Obstetricia et Gynecologica Scandinavica, vol.340, issue.5
DOI : 10.1111/j.1600-0412.2011.01107.x

C. Deneux-tharaux, C. Dupont, C. Colin, M. Rabilloud, S. Touzet et al., Multifaceted 439 intervention to decrease the rate of severe postpartum haemorrhage: the PITHAGORE6 cluster- 440 randomised controlled trial, Obstet Gynecol Scand. Bjog, vol.90117, issue.441, pp.421-429, 2010.

F. Althabe, P. Buekens, C. Sosa, and J. Belizan, Controlled cord traction in the third stage of labor. 442 Systematic review. International journal of gynaecology and obstetrics: the official organ of the 443 International Federation of Gynaecology and Obstetrics, pp.126-133, 2006.

C. Chongsomchai, P. Lumbiganon, M. Laopaiboon, P. Lumbiganon, S. Landoulsi et al., Prophylactic antibiotics for manual removal 445 of retained placenta in vaginal birth Cochrane database of systematic reviews (Online), pp.2006-448, 2006.

W. Cheung, A. Hawkes, S. Ibish, A. Weeks, A. Macfarlane et al., The retained placenta: historical and geographical 451 rate variations Journal of obstetrics and gynaecology : the journal of the Institute of Obstetrics and 452 Gynaecology Epub 2011/02/02. 453 31. Weeks AD. The retained placenta. Best practice & research Clinical obstetrics & gynaecology 456 Policies for manual removal of placenta at vaginal delivery: variations in timing within Europe, Bjog, vol.3122116, issue.458, pp.37-421103, 2008.

O. Andersson, L. Hellstrom-westas, D. Andersson, and M. Domellof, Effect of delayed versus early 459 umbilical cord clamping on neonatal outcomes and iron status at 4 months: a randomised controlled 460 trial, Bmj, vol.34318, issue.461, pp.7157-7191, 2011.

E. Hutton and E. Hassan, Late vs Early Clamping of the Umbilical Cord in Full-term Neonates, JAMA, vol.297, issue.11, pp.1241-52, 2007.
DOI : 10.1001/jama.297.11.1241

P. Ht, 2%) and between the 5 th -7 th months of gestation4%), in the CCT and SPE groups, respectively; postpartum Ht measured at Day 2 in 1737, 1724 (90.5%) and 1707 (90.3%), at arrival in labour ward in 95 (5.0%) and 992%) and 1725 (91.3%), and on another day between 1 and 8 days in 167 (8.8%) and 165 (8.7%) , in the CCT and SPE groups