Adolescent sexuality.
D000022:Abortion, Spontaneous; D000293:Adolescent; D001290:Attitude; D003267:Contraception; D005260:Female; D006801:Humans; D007086:Illegitimacy; D008297:Male; D008393:Marriage; D010541:Permissiveness; D011247:Pregnancy; D000297:Psychology, Adolescent; D012649:Self Concept; D012723:Sex; D012736:Sex Education; D012735:Sexual Dysfunction, Physiological / Q000453:epidemiology; D012741:Sexual Maturation; D012749:Sexually Transmitted Diseases / Q000453:epidemiology