臀先露在产科中虽然为常见情况,但因其分娩机制特殊,胎儿死亡率较顶产式为高,产妇产道损伤亦较多,因此,一般文献均将臀位列为異常产式的一种;然臀位自然分娩亦不少见,故亦有列入正常产式中者。我院在以往处理臀位分娩中,胎儿死亡率较高,自从推行了曹氏助产法后,婴儿死亡数相应減低。兹将我院自1953年8月至1961年12月1,102例臀位分娩,包括足月、早产及双胎中 Buttocks exposed in obstetrics, although the common situation, but because of its special delivery mechanism, fetal mortality than the top type is high, maternal birth canal injury is also more, therefore, the general literature will breech as abnormal product Of the natural breech but the breech is not uncommon, it is also included in the normal production. In our hospital in the past handling breech delivery, higher fetal mortality, since the implementation of Cao midwifery law, the corresponding reduction in infant deaths. In our hospital from August 1953 to December 1961 1,102 cases of breech delivery, including term, premature delivery and twins