Results It was found that a previous of uterine scar and cephalopelvic disproportion were the main causes of uterine rupture, and 5 cases were inproper treatment of obstetrics obviously.

• 结果本组子宫破裂发生的高危因素以瘢痕子宫、头盆不称为主,其中有5例明显存在产科处理不当,产科处理不当在子宫破裂的发生中起重要作用。