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大家都知道臀位在各种胎位之发生率中并不算高,如临产妇中臀位占3—4%,在处理难产较多之医院中,足月妊娠臀位之发生率为15%(见表1)。臀位分娩之后果无论对胎儿或新生儿都有一定的不良影响。臀位分娩死产率为12%,新生儿窒息死亡率为6%;胎儿及新生儿之死亡率共为18%(见表2)。仅就以死产率较正常产者(1.9%)高六倍余。这便说明了,臀位分娩对胎儿和新生儿的不良后果是很大的。其次我们看一下对产妇之危害性。由于臀位的关系在分娩时易造成会阴裂伤,文献上记载的材料为20%,除此而外初产妇在臀位分娩时
We all know that the incidence of breech in a variety of fetal position is not high, such as adulthood accounted for 3-4% of the breech, dystocia in dealing with more hospitals, the incidence of full-term pregnancy breech was 15% (See table 1). Breech delivery after the consequences of both the fetus or newborn have a certain adverse effects. The stillbirth rate was 12% for breech delivery, 6% for asphyxiated neonates and 18% for fetal and neonatal deaths (see Table 2). The rate of stillbirth is six times more than that of normal people (1.9%). This shows that the adverse consequences of breech delivery on the fetus and newborn is great. Second, let us look at the dangers of maternal. Due to the relationship between the breech is easy to cause perineal laceration during childbirth, the literature records the material is 20%, in addition to the first primipara in breech delivery