近年来辅助生殖技术(assisted reproduction technologies,ART)开展给许多不孕症患者带来了福音,但随之异位妊娠(ectopic pregnancy,EP)发生率也增加。ART周期EP发生率为1%～5%,较自然周期高2倍以上,有研究报道,体外受精-胚胎移植周期(IVF-ET周期)EP发生率达2%～11%。除常见异位妊娠外,ART周期还可发生在各种罕见特殊部位妊娠,如输卵管间质部妊娠、异位多 In recent years, assisted reproduction technologies (ART) have brought gospel to many infertility patients, but the incidence of ectopic pregnancy (EP) also increases. The incidence of EP in ART cycle is 1% -5%, which is more than 2 times of the natural cycle. It has been reported that the incidence of EP in the IVF-ET cycle reaches 2% ~ 11%. In addition to common ectopic pregnancy, ART cycle can also occur in a variety of rare special parts of pregnancy, such as tubal pregnancy, ectopic and more