孕卵在子宫内膜覆盖的宫腔以外的部位种植、发育称之为异位妊娠。其中绝大多数是输卵管妊娠,占95%。近年来,异位妊娠的发病率不断上升,占妊娠的1.2%～1.4%[1]。尽管早期诊断的方法不断改进,但其仍是早期妊娠的主要死亡原因,并可导致20%～60%患者不孕,且再发生率超过20%[1]。究? Pregnant eggs in the uterine endometrium covered parts of the outside planting, development known as ectopic pregnancy. Most of them are tubal pregnancy, accounting for 95%. In recent years, the incidence of ectopic pregnancy rising, accounting for 1.2% of pregnancy ~ 1.4% [1]. Although the method of early diagnosis continues to improve, it is still the leading cause of death in early pregnancy and can lead to infertility in 20% to 60% of patients, with a recurrence rate of more than 20% [1]. Study?