Abstract: ［Abstract］ Objective〖HTSS〗〓To investigate the causes and prevention of uterine rupture during pregnancy.
〖HTH〗〖WTHZ〗Methods〖HTSS〗〓Clinical data of 22 patients with penetrating rupture of pregnancy uterus were analyzed retrospectively.
〖HTH〗〖WTHZ〗Results〖HTSS〗〓The incidence of penetrating rupture of pregnancy uterus was 0.086%(22/25707). The causes of uterine rupture included a history of miscarriage, history of uterine surgery(including the history of cesarean section) and its defect healing, unreasonable application of drug induced labor and productive force, which often give rise to fetal distress, fetal death, blood loss, uterine loss and so on.
〖HTH〗〖WTHZ〗Conclusion〖HTSS〗〓The risk of uterine rupture should not be ignored among pregnancy women with the history of abortion, multipara, advanced age when more attention is paid to uterine rupture of pregnancy women with the history of cesarean section.

Key words: pregnancy, unplanned, uterine rupture, cesarean section, scars