2Fawcus SR.Maternal mortality and unsafe abortion[J].Best Pract Res Clin Obstet Gynaecol,2008,22(3):533-548.
3Gemzell-Danielsson K,Kopp Kallner H,Faúndes A.Contraception following abortion and the treatment of incomplete abortion[J].Int J Gynecol Obstet,2014,126(Suppl 1):S52-S55.
4Boesen HC,R?rbye C,N?rgaard M,et al.Sexual behavior during the first eight weeks after legal termination of pregnancy[J].Acta Obstet Gynecol Scand,2004,83(12):1189-1192.
5Heikinheimo O,Gissler M,Suhonen S.Age,parity,history of abortion and contraceptive choices affect the risk of repeat abortion[J].Contraception,2008,78(2):149-154.
6Goldsten JS, Ratts VS, Pholpott T, et al. Risk of surger- y use of potassium chloride for treatment of tubal hete- rotopicpregnancy[J]. Obstetrics and Gynecology, 2006, 107(2) -506-508.
