Today, about a third of U. S. births are done by caesarean section, up from 21% in 1998, one of the highest of any developed country, the National Center for Health Statistics reported in March.

据美国国家卫生统计中心（National Centerfor Health Statistics）3月份公布的数据，目前，美国的剖腹产率约为三分之一，较1998年的21%有所上升，成为发达国家中剖腹产率最高的国家之一。