异位妊娠是指发生于子宫以外的妊娠。其中绝大部分(98%)发生于输卵管,而卵巢、宫颈、腹腔也可发生,但较为罕见。异位妊娠占妊娠总数的1150,发生率较20年前提高了4倍。异位妊娠的重要意义在于其具有潜在的致命性。英国最近一次针对妊娠期死亡的调查显示,3年内一共有19例患者直接 Ectopic pregnancy refers to pregnancy that occurs outside the uterus. Most of them (98%) occur in the fallopian tubes, while ovaries, cervix, and abdomen can occur but are rare. Ectopic pregnancy accounted for 1150 of the total number of pregnancies, the incidence increased four times over 20 years ago. The significance of ectopic pregnancy lies in its potentially fatal nature. A recent British survey of gestational deaths showed that a total of 19 patients within 3 years