子宫下段剖宫产术后切口瘢痕处妊娠(CSP)又称为切口部妊娠,是罕见的异位妊娠,近年来随着剖宫产率的上升,其发生率不断增加[1]。由于胚胎着床在前次子宫下段剖宫产瘢痕处,如果没有及时发现和处理,随着妊娠的进展,绒毛与子宫肌层粘连、植入,容易发生难以控制的大出血,甚至子宫破 Cesarean section after uterine incision scar pregnancy (CSP), also known as incision pregnancy, is a rare ectopic pregnancy, in recent years as the cesarean section rate increased, the incidence increased [1]. Due to embryo implantation in the lower uterine segment of the cesarean section scar, if not found and treated with the progress of pregnancy, villi and myometrial adhesions, implantation, prone to uncontrollable bleeding, and even uterine rupture