异位妊娠是指受精卵在宫腔外着床,俗称宫外孕。它可发生在输卵管、卵巢、腹腔、子宫残角等处,其中以输卵管妊娠最常见,约占发病总数90%~95%以上[1]。异位妊娠同时也是妇产科常见的急腹症之一,当孕囊破裂或流产后,造成急性腹腔内大出血,危及患者生命安全。据报道异位妊娠约占妊[2] Ectopic pregnancy refers to fertilized eggs implantation in the uterine cavity, commonly known as ectopic pregnancy. It can occur in the fallopian tubes, ovaries, abdominal cavity, uterine horn remnant, etc., of which tubal pregnancy is the most common, accounting for the total incidence of 90% to 95% or more. Ectopic pregnancy is also one of the common acute abdomen obstetrics and gynecology, when the gestational sac rupture or abortion, resulting in acute intraperitoneal hemorrhage, endangering patients’ lives and safety. It is reported that ectopic pregnancy accounts for about pregnancy [2]