Teen childbearing trends: which tide turned when and why?
Stevens-Simon
C
C
University of Colorado Health Science Center, Denver, CO 80218, USA.
Kaplan
D
D
D000293:Adolescent; D000294:Adolescent Behavior; D000328:Adult; D001723:Birth Rate / Q000639:trends*; D003268:Contraception Behavior; D005060:Europe; D005260:Female; D006801:Humans; D009014:Morals; D011247:Pregnancy; D011253:Pregnancy in Adolescence / Q000517:prevention & control* / Q000706:statistics & numerical data; D012736:Sex Education; D012725:Sexual Behavior / Q000706:statistics & numerical data; D014481:United States / Q000453:epidemiology