胎盘娩出后，应该检查是否有软产道裂伤。
After delivery of the placenta, the birth canal is inspected for lacerations.
目的探讨软产道损伤的发生机理、诊断要点及处理原则。
Objective explore the mechanism diagnosis and treatment of birth canal injury.
观察组胎儿娩出时间短、软产道损伤例数少、产后出血量少及住院天数短。
The observation group fetal childbirth time is short, the soft the birth canal, postpartum blood loss was less damage number fewer days in hospital and short.
结果失血情况随孕周增加、失血量增多。产后病率9% ，包括胎盘残留及软产道损伤等。
Results The blood losing was increased with pregnancy weeks and incidence of postpartum of 9% that including placenta remain and soft birth canal injury.
通过对我院1986 ~ 1992年41例产妇发生软产道血肿的原因、部位及相关因素进行分析，提出产后血肿多于产时血肿。
The authors analysed the causes, site and correlative factors of hematoma formed on the soft parturient canal in 41 parturients from 1986 to 1992 in their hospital.
结果宫缩乏力12例（63.1%），胎盘因素5例（26.3%），软产道损伤因素1例（5.3%），凝血功能障碍1例（5.3%）。
Result Uterine inertia in 12 cases (63.1%), placental factor 5 cases (26.3%), soft birth canal injury factors, 1 case (5.3%), coagulation dysfunction in 1 case (5.3%).
结果宫缩乏力12例（63.1%），胎盘因素5例（26.3%），软产道损伤因素1例（5.3%），凝血功能障碍1例（5.3%）。
Result Uterine inertia in 12 cases (63.1%), placental factor 5 cases (26.3%), soft birth canal injury factors, 1 case (5.3%), coagulation dysfunction in 1 case (5.3%).
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