2Fylstra D L.Ectopic pregnancy with in a cesarean scar:a review[J]. Obstet Gynecol surv,2002,57(8):537.
3Wing DA,Rahall A,Jones Ni.Misoprostol:an effective agent for cervical ripening and labor induction[J].Am J Obstet Gynecol, 1995,172(6):181.
4Quere I,Mercier E,Bellet H,et al.Vitamin supplementation and pregnancy outcome in women with recurrent early pregnancy loss and hyperhomocysteinemia[J].Fertil Steril,2001,75:823- 825.
5Krabbendam I,Franx A,Bots ML,et al.Thrombophilias and recurrent pregnancy loss: a critical appraisal of the literature[J].Eur J Obstet Gynecol Reprod Biol,2005,118:143-153.
