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1 资料与方法 将我院1986年1月～1993年12月期间计247例胎膜早破者作为观察组,同期无早破者进行随机抽样224例进行对照。胎膜早破以宫缩未发动胎膜自破、羊水流出为标准;头盆不称的头盆评分按凌萝达头位分娩评分法;胎方位指分娩结束时胎方位;难产指产钳术、臀助娩、臀牵引及剖宫产。 2 结果 2.1 胎膜早破的发生率:1986年～1993年共分娩4064例,其中胎膜早破247例,发生率6.07％。 2.2 胎膜早破与难产率的关系:本文中早破组难产率32.4％,对照组难产率24.6％,经统计学处理P值>0.01,两者有很显著差异。
1 Materials and Methods A total of 247 cases of premature rupture of membranes in our hospital from January 1986 to December 1993 as the observation group, no rupture of the same period were randomized to 224 cases were compared. Premature rupture of membranes in patients with uterine contractions did not initiate self-destruction of the membranes, amniotic fluid outflow as the standard; cephalopelvic acidosis cephaline headache according to the first delivery rating method; fetal position refers to the childbirth at the end of fetal position; dystocia forceps , Buttocks delivery, buttock traction and cesarean section. 2 Results 2.1 The incidence of premature rupture of membranes: a total of 4064 cases of labor from 1986 to 1993, of which 247 cases of premature rupture of membranes, the incidence of 6.07%. 2.2 The relationship between premature rupture of membranes and the rate of dystocia: In this paper, the rate of dystocia was 32.4% in premature rupture and the control group was 24.6%. The statistic difference was significant (P> 0.01).