Related Factors of Ectopic Pregnancy after in Vitro Fertilization and Embryo Transfer

With the development of in vitro fertilization-embryo transfer(IVF-ET),the incidence of ectopic pregnancy(EP) after IVF-ET is increased.The related risk factors for EP after IVF-ET included tubal factor,endometriosis,fertilization,embryo transfer technology and controlled ovarian hyperstimulation and so on,which the major risk factors are caused by fallopian tubal dysfunction.In order to improve the clinical pregnancy rate,and reduce the incidence of ectopic pregnancy,before IVF-ET treatment,for patients with these risk factors,should minimize the impact of risk factors.This article covers the related risk factors of EP after IVF-ET.