Adolescent health, sex, and fertility.
D000293:Adolescent; D001741:Black or African American; D001290:Attitude; D001294:Attitude to Health; D003710:Demography; D004644:Emotions; D005006:Ethnicity; D005190:Family; D005260:Female; D005298:Fertility; D006306:Health Surveys; D006801:Humans; D008297:Male; D008393:Marriage; D010298:Parity; D010820:Physicians / Q000706:statistics & numerical data; D011247:Pregnancy; D012067:Religion; D012649:Self Concept; D012725:Sexual Behavior; D012940:Social Problems; D012959:Socioeconomic Factors; D014481:United States