高胀性宫缩乏力即宫缩不是自子宫的两侧角部而是来自子宫的一处或多处。节律不协调,宫缩极相倒置,缩时子宫底部不强而中部及下部强,宫缩间歇时,子宫壁不能完全放松宫腔压力高,致使宫颈不扩张,胎头不下降即无效宫缩.多见于初产妇、高龄初产、精神紧张者,多发生于宫颈扩的潜伏期。产妇的宫缩强,频,烦燥不安,呼疼不止,产妇体力衰竭,自觉肛门处有便意,并令向下用 High dystonic uterine atony that contractions are not from both sides of the corner of the uterus, but from one or more of the uterus. Uncoordinated rhythm, contractions phase inversion, contraction of the bottom of the uterus is not strong and the middle and lower strong, intermittent contractions, the uterine wall can not completely relax the uterine pressure is high, resulting in cervical dilatation, fetal head does not fall that is invalid contractions More common in primipara, senior primiparous, nervous, occur in the incubation period of the cervix. Maternal contraction, frequency, irritability, more than Huchong, maternal physical failure, there is a conscious voluntary anal Department, and make the next use