子宫收缩乏力是产程中常出现的一种产力异常,临床上子宫收缩乏力分为协调性和不协调性2种。根据发生时期又可分为原发性和继发性,类型不同临床表现不同。1病因:常与以下因素有关,且可多种因素同时存在。1.1精神因素:产妇对分娩过程的认识不足,尤其在临产后出现较强的宫缩,腹痛渐剧,心理准备不充分,信心不足,精神过度紧张,对医护人员的言谈不注意所产生的疑虑。此外 Uterine atony is a common abnormalities in the labor process, clinical uterine atony is divided into two kinds of coordination and uncoordinated. According to the occurrence period can be divided into primary and secondary, different types of clinical manifestations. 1 Etiology: often associated with the following factors, and many factors can exist. 1.1 Psychological factors: Maternal lack of awareness of the delivery process, especially after labor appears strong contractions, abdominal pain, inadequate psychological preparation, lack of confidence, over-stress, the parade of medical staff do not pay attention to the doubts . In addition