1Lass A ,Ellebogen A.Effect of salpingectomy on ovary response to superovulation in an in vitro fertilizaion embryo transfer program [J]. Fertil steril,1998,70(5):1035.
2Tal J, Haddad S,Gorodon N,et al.Heterotopic pregnancy after ovulation and assisted re pr oduction technologies:a literature review from 1971～1993[J].Fertil Steril,199 6,66:1
3Dubuisson JB,Foulot H,Aubriot FX,et al.Risk factors for ectopic pregnancy in 556 pregnancies after in vitro fertilization:Implicati on for preventive management[J].Fertil Steril,1991,56(4):686-690
4Strandell A,Thorburn J,Hamberger L,et al.Risk factors for ectopic pregn ancy in assisted reproduction[J].Fertil Steril,1999,71(2):282-6
5Senturk LM,Arici A.Leukemia inhibitory factor in human reproduct ion[J].Am J Reprod Immunol,1998,39(2):144-51
6Tummon IS, Whitmore NA,Daniel Sa,et al.Transfering more embryos increase risk of heterotop ic pregnancy[J].Fertil Steril,1994,61(6):1065
7Lass A,Elleb ogen A.Effect of salpingectomy on ovary response to superovulation in an in vitr o fertilization embryo transfer program[J].Fertil Steril,1998,70(5):1035
8Barmat LI,Rauch E,Spandorfer S,et al.The effect of hydrosalpin ges on IVF-ET outcome[J].Assist Reprod Genet,1999,16(7):350-4
