title: US teen pregnancies, births, and abortions hit historical lows.
authors.affiliation: New York.
authors.forename: Janice Hopkins
authors.initials: JH
authors.lastname: Tanne
mesh_terms: D000028:Abortion, Induced / Q000706:statistics & numerical data*; D000293:Adolescent; D005260:Female; D006801:Humans; D011247:Pregnancy; D011253:Pregnancy in Adolescence / Q000208:ethnology / Q000706:statistics & numerical data*; D014481:United States / Q000453:epidemiology