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据美国国家卫生统计中心统计,1983年,美国入院分娩的产妇有1/5以上施行剖腹产术.自从该中心1970年进行全国医院产妇出院调查以来,已连续十四年出现剖腹产高峰(见表).剖腹产比率已从1970年的5.5%上升到1983年的20.3%.
According to the National Center for Health Statistics, more than one-fifth of the mothers admitted to the United States during 1983 were caesarean and caesarean sections had peaked for fourteen consecutive years since the center’s maternal discharge survey in 1970 nationwide (see table) The caesarean section rate has risen from 5.5% in 1970 to 20.3% in 1983.