1Sheiner E,Shoham Vardi I ,Hallak M,et al. Placenta previa, obstetric risk factors and pregnancy outcome.J Matem Fetal Med ,2001 Dec, 10(6) :414-419.
2Mazor M,Hershkovitz R, Bashiri A,et al . Meconium stained ammiotic fluid in pretenn delivery is an independent risk factor for perinatal complications . Eur J Obstet Gynecol Repred Biod ,1998 Oct,81(1):9-13.
3Hayashi M, Mori Y, Nogami K, et al. A hypothesis to explain the occurence of inner myometrial laceration causing massive postpartum hemorrhage. Acta Obstet Gynecol Scand, 2000 Feb,79(2) :99-106.
4Liang J,Dai L,Zhu J,et al.Preventable maternal mortality:Geographic/ruralurban differences and associated factors from the population-based maternal mortality surveillance system in China[J].Bmc Public Health,2011,11:243.
5American College of Obstetricians and Gynecologists.ACOG Practice Bulletin:Clinical Management Guidelines for Obstetrician-Gynecologists Number 76,October 2006:postpartum hemorrhage[J].Obstet Gynecol,2006,108:1039-1047.
6B-Lynch C.A comprehensive textbook of postpartumhemorrhage:an essential clinical reference for effective management[M].2nd ed.London:Sapiens Publishing,2012:1-12.
7Tun(c)alp O,Souza JP,Gülmezoglu M,et al.New WHO recommendations on prevention and treatment of postpartum hemorrhage[J].Int J Gynaecol Obstet,2013,123:254-256.
8Leduc D,Senikas V,Lalonde AB,et al.Active management of the third stage of labour:prevention and treatment of postpartum hemorrhage[J].J Obstet Gynaecol Can,2009,31:980-993.
9Gülmezoglu AM,Lumbiganon P,Landoulsi S,et al.Active management of the third stage of labour with and without controlled cord traction:a randomised,controlled,non-inferiority trial[J].Lancet,2012,379:1721-1727.
10Chen M,Chang Q,Duan T,et al.Uterine massage to reduce blood loss after vaginal delivery:a randomized controlled rrial[J].Obstet Gynecol,2013,122:290-295.