Adolescent fertility: worldwide concerns.
D000293:Adolescent; D000367:Age Factors; D001519:Behavior; D001695:Biology; D003710:Demography; D004493:Education; D016656:Family Planning Policy; D005193:Family Planning Services; D005298:Fertility; D006266:Health Education; D006285:Health Planning; D007255:Information Services; D007878:Legislation as Topic; D009934:Organization and Administration; D011057:Politics; D011153:Population; D011154:Population Characteristics; D011157:Population Dynamics; D011247:Pregnancy; D011253:Pregnancy in Adolescence; D011640:Public Policy; D012098:Reproduction; D012736:Sex Education; D012725:Sexual Behavior
Adolescent Pregnancy; Adolescents; Age Factors; Behavior; Biology; Demographic Factors; Education; Family Planning; Family Planning Policy; Fertility; Health Education; Iec; Legislation; Organization And Administration; Policy; Political Factors; Population; Population Characteristics; Population Dynamics; Population Policy; Pregnancy; Premarital Sex Behavior; Program Activities; Programs; Reproduction; Reproductive Behavior; Sex Behavior; Sex Education; Social Policy; World; Youth