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异位妊娠泛指孕卵在子宫腔外植入并发育者,俗称宫外孕。但严格来说,宫外孕应仅指子宫以外,在输卵管、卵巢和腹腔等处的妊娠;异位妊娠还包括官颈及子宫残角妊娠,故所指范围更广,目前多采用此名。异位妊娠常发生于输卵管,而其中又以壶腹部最多,峡部和缴端次之,间质部最少。异位妊娠的发病率,国内外报导均有极大差别。一般为1:35～1:330不等,多记载为每300例正常妊
Ectopic pregnancy generally refers to the egg implantation and development in the uterine cavity, commonly known as ectopic pregnancy. But strictly speaking, ectopic pregnancy should refer only to the uterus, the fallopian tubes, ovaries and other abdominal pregnancy; ectopic pregnancy also includes the neck and uterine horn remnant pregnancy, it refers to a wider range, the current use of this name. Ectopic pregnancy often occurs in the fallopian tubes, of which the largest number of ampulla, isthmus and pay the second, the least interstitial. The incidence of ectopic pregnancy, both at home and abroad have reported a great difference. Generally 1: 35 ~ 1: 330 range, and more records for every 300 cases of normal pregnancy