title: U.S. cesarean section rates 1990: an update.
authors.forename: S M
authors.initials: SM
authors.lastname: Taffel
authors.forename: P J
authors.initials: PJ
authors.lastname: Placek
authors.forename: C L
authors.initials: CL
authors.lastname: Kosary
mesh_terms: D000293:Adolescent; D000328:Adult; D002585:Cesarean Section / Q000706:statistics & numerical data*; D005260:Female; D006801:Humans; D007902:Length of Stay; D008423:Maternal Age; D011247:Pregnancy; D014481:United States / Q000453:epidemiology