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有人提倡用简单的外倒转术减少臀位发生率,从而降低剖宫产率、围产期死亡率及发病率.本文对孕36周前臀位拟用随机化前瞻对照试验来评价外倒转术的效果.研究对象为非洲人,310例定为研究组,施行外例转术;330例定为对照组.排除下列患者:多胎、剖宫产史、宫内死胎,产前出血、先天畸型及Rh同族免疫.对研究组患者在孕33～36周行外倒转
Some people advocate the use of a simple external inversion surgery to reduce the incidence of breech and thus reduce the rate of cesarean section, perinatal mortality and morbidity.In this paper, 36 weeks before pregnancy intended to use randomized prospective prospective controlled trial of external inversion surgery Of the study population were African, 310 were designated as study group, the implementation of case transfer surgery; 330 were designated as the control group.Excluded the following patients: multiple births, history of cesarean section, intrauterine fetal death, prenatal bleeding, congenital malformations And Rh were immunized against the study group of patients in the pregnant 33 to 36 weeks of external inversion