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异位妊娠,指受精卵种植在宫腔外的妊娠,是妇产科常见的急腹症之一,发病率约为1%。异位妊娠的病因或其发病的主要危险因素包括:(1)输卵管炎症。(2)盆腔手术史,尤其输卵管手术,术后盆腔内的粘连,影响了输卵管的结构和功能。(3)输卵管发育不良,如输卵管细长、扭曲、管壁薄等。(4)不良妊娠史,有宫外孕史的妇女,再次发生宫外孕的危险性较无宫外孕病史
Ectopic pregnancy, refers to the fertilized egg planted in the uterine pregnancy, obstetrics and gynecology is a common acute abdomen, the incidence rate of about 1%. The etiology of ectopic pregnancy or its main risk factors include: (1) tubal inflammation. (2) the history of pelvic surgery, especially tubal surgery, postoperative pelvic adhesions, affecting the structure and function of the fallopian tubes. (3) tubal dysplasia, such as tubal slender, twisted, thin wall and so on. (4) adverse pregnancy history, women with ectopic pregnancy history, the risk of ectopic pregnancy recurrence than no history of ectopic pregnancy