瘢痕妊娠(cesarean scar pregnancy,CSP)指妊娠胚囊种植于剖宫产的子宫瘢痕处,是一种少见而危险的异位妊娠,其临床表现为有短暂停经后阴道不规则出血,常被误认为难免流产或宫内早孕、宫外孕、子宫峡部妊娠或宫颈妊娠[1]。因随时有大出血、危及生命可能,所以明确诊断和制定治疗方式对于 Cesarean scar pregnancy (CSP) refers to the pregnancy embryo sac implanted in the cesarean section of the uterine scar, is a rare and dangerous ectopic pregnancy, the clinical manifestations of vaginal irregular bleeding after a brief menopause, often mistaken I think it is inevitable miscarriage or intrauterine pregnancy, ectopic pregnancy, uterine isthmus pregnancy or cervical pregnancy [1]. Due to bleeding at any time, endangering the possibility of life, so a clear diagnosis and development of treatment for