title: A review of interventions to prevent pregnancy.
authors.forename: J G
authors.initials: JG
authors.lastname: Dryfoos
mesh_terms: D000293:Adolescent; D000367:Age Factors; D000569:Americas; D001519:Behavior; D003267:Contraception; D003268:Contraception Behavior; D003710:Demography; D019049:Developed Countries; D004467:Economics; D004493:Education; D005193:Family Planning Services; D005298:Fertility; D006266:Health Education; D006285:Health Planning; D019359:Knowledge; D009656:North America; D009934:Organization and Administration; D011057:Politics; D011153:Population; D011154:Population Characteristics; D011157:Population Dynamics; D011253:Pregnancy in Adolescence; D012572:School Health Services; D012736:Sex Education; D012725:Sexual Behavior; D012922:Social Change; D012959:Socioeconomic Factors; D014481:United States
keywords: Adolescent Pregnancy--prevention and control; Adolescents; Age Factors; Americas; Behavior; Conservatism; Contraception; Contraceptive Usage; Coordination; Demographic Factors; Developed Countries; Economic Factors; Education; Family Planning; Fertility; Health Education; Integrated Programs; Knowledge; North America; Northern America; Organization And Administration; Political Factors; Population; Population Characteristics; Population Dynamics; Premarital Sex Behavior; Programs; Reproductive Behavior; School-based Services; Sex Behavior; Sex Education; Social Change; Socioeconomic Factors; United States; Youth