目的探讨剖宫产术子宫下段横切口撕裂伤的相关因素及防治方法。方法回顾性分析子宫下段横切口术786例病例资料。结果子宫下段横切口撕裂伤43例,占同期剖宫产术的5.47%,临产后胎先露大于+3、麻醉效果差者,子宫下段横切口撕裂率明显增加。结论子宫下段横切口撕伤是剖宫产术中常见并发症。临产与否、胎儿胎先露、胎方位、麻醉效果及子宫下段形成情况与切口撕裂发生有关。 Objective To investigate the related factors and prevention and cure methods of transverse incision laceration in cesarean section. Methods Retrospective analysis of 786 cases of lower uterine transverse incision. Results In the lower uterine segment, 43 cases were transverse laceration and laceration, accounting for 5.47% of the cesarean section in the same period. The fetus exposed after labor was more than +3 and had poor anesthetic effect. The rate of transverse incision in the lower uterine segment was significantly increased. Conclusion The transverse uterine incision transverse tear is a common complication in cesarean section. Labor or not, fetal fetus, fetal position, anesthesia and the formation of lower uterine segment incision tear occurred.