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对晚期妊娠274例,以低浓度催产素引产,其浓度为2～5u/500ml,滴速1.5～50mu/分,平均6.57un/分。274例中除5例于引产初因高血压及胎儿宫内窘迫行剖腹产外,余269例中引产成功250例,成功率92.94％,平均每例使用剂量为7.59u,其总剂量与Bishop评分呈负相关,r=-0.98,Bishop评分为5分以上时,破膜与引产成功率有一定关系(P<0.05)。引产成功的250例中,阴道分娩228例,因头盆不称等原因行剖腹产22例,引产失败的19例中,18例剖腹产,1例于1周后阴道分娩。
274 cases of late pregnancy, low concentration oxytocin induction of labor, the concentration of 2 ~ 5u / 500ml, drip rate 1.5 ~ 50mu / min, an average of 6.57un / min. Among 274 cases, except for 5 cases of caesarean section due to high blood pressure and fetal distress in early induction, 250 cases were induced successfully in more than 269 cases, with a success rate of 92.94%. The average dosage was 7.59u. The total dose and Bishop score Negative correlation, r = -0.98, Bishop score of 5 points or more, the rupture of the membrane and the success rate of induction of labor has a certain relationship (P <0.05). Of the 250 cases of successful induction of labor, 228 were vaginal delivery, caesarean section was performed in 22 cases due to the lack of a basin, caesarean section was induced in 18 of the 19 cases, and vaginal delivery occurred in 1 case after 1 week.