1[1]Creinin MD.A reassesment of efficacy of the Yuzpe regimen of emergency contraception[J]. Hum Reprod, 1997,12(3):496-498.
2[2]Trussell J, Ellertson C, tewart F. The effectiveness of the Yuzpe regimen of postcoital contraception[J]. Fam Plann perspect,1996,28:58.
3[3]David A, Grimes MD, Vivien MD, et al. New approaches to emergency contraception[J]. Contemporary OB/GYN,2001,89-99.
4[4]Trussell J, Ellertson C, Rodriguez G. The Yuzpe regimen of emergency contraception: How long after the morning after[J]? Obstet Gynecol, 1996,88:150.
5[5]Webb AMC, Russel J, Elstein M. Comparison of Yuzpe regimen ,danazol ,and mifepristone (RU486) in oral postcoital contraception[J]. Br Med J,1999,305:927-931.
6[6]Schein AB. Misfepristone compared with high dose estrogen and progestogen for emergency postcoital contraeption[J].J Pediatr Adolesc Gynecol,1999,12(1) :3-9.
8[8]Raymond EG, Creinin MD, Barnhart KT, et al. Meclizine for prevention of nausa associated with use of emergency contraception pill;a randomized trial l[J]. Obstet Gyneco,2000,95:271-277.
9[9]Webb A. Emergency contraception[J]. Fertility Control Reviews,1995,4(2):23-25.
10[10]Von Hertzen H. Research on new methods of emergency contraception[J]. J Reprod Med,1996,5(suppl 1):12.
7Trussel J,Ellertson C.Efficacy of emergency contraception[J].Fertil Cont Rev,1995,4:8-13.
8曹泽毅．中华妇产科学[M].2版．北京：人民卫生出版社，2005：2600．
9PORSCH B, PODLINSKI K, BENDER HG,et al.Abortiona, unin- tended prgnancies, and emergency contraception among in fertile age- The German results of a survey initiated by the European Group of Contraception( EGOC ) [ J ]. Geburtsh Frauenh, 2004,64 ( 9 ) : 953 - 961.
10ZHANG L, CHEN J, WANG Y, et al. Pregnancy outcome after levonorgestrel-only emergency contraception failure:A prospective co- hort study [ J ].Hum Reprod, 2009,24 (7) : 1605-1611.
