7Heron JO,Connor TG,Evans J. The course of anxiety and depression through pregnancy and the postpartum in a community sample[J].Journal of affective disorders,2004.65.
8乐 杰.妇产科学[M]北京:人民卫生出版社,2004224.
9Mehrabadi A, Liu S, Bartholomew S, et al. Temporal trends in post-partum hemorrhage and severe postpartum hemorrhage in Canada from2003 to 2010 [ J]. J Obstet Gynaecol Can, 2014,36 (1): 21 -33.
10Gollop ND, Childs CA, Coupe B, et al. Body weight, body imageand primary postpartum haemorrhage: a review of the literature [ J]. JObstet Gynaecol, 2014, 34 (5): 373 -382.