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1994年1月～1994年12月间我院初产发生头位难产145例,发生率为28.8％。145例头位难产中36例明显头盆不称,其中21例为巨大儿,宫高≥40cm,B超示双顶径≥9.6cm,胎儿体重≥4000g;骨盆畸形4例,狭窄6例;子宫畸形3例,跨耻征明显阳性;颜面位2例,临产后即行剖宫产结束分娩。其余109例产妇临产后经阴道试产,失败行刮宫产76例,阴道胎吸助产33例。阴道试产109例产妇中,因原发性宫缩乏力出现
Between January 1994 and December 1994, 145 cases of unaccompanied dystocia occurred in our hospital, the incidence rate was 28.8%. Among the 145 cases with head-position dystocia, 36 cases were found to be emaciated, of which 21 cases were macrosomia, the height of the uterus was 40cm, the diameter of the biparietal vertebrae was 9.6cm, the weight of the fetus was 4000g, 4 cases of pelvic deformity and 6 cases of stenosis. 3 cases of uterine malformations, cross-shame sign was significantly positive; face position in 2 cases, cesarean section after delivery end of childbirth. The remaining 109 maternal vaginal trial after childbirth, failed to curettage in 76 cases, vaginal aspiration abortion in 33 cases. Vaginal trial of 109 cases of maternal, due to primary uterine inertia appears