title: Contraceptive use-effectiveness and the American adolescent.
abstract: Contraceptive use-effectiveness is significantly shaped by the contraceptors' ages, for pregnancy rates are found to be a function of age. Teenagers are more failure prone than older contracepting women, regardless of method. This higher teenage failure rate can indicate clearly the use-effectiveness of various contraceptive methods. Consequently, both user and method (whether modern or traditional) determine outcome levels of contraceptive use-effectiveness.
mesh_terms: D000028:Abortion, Induced / Q000706:statistics & numerical data; D000293:Adolescent; D003267:Contraception / Q000379:methods*; D003268:Contraception Behavior; D005260:Female; D006801:Humans; D011247:Pregnancy; D011253:Pregnancy in Adolescence