Youth and population.
D000293:Adolescent; D001294:Attitude to Health; D002668:Child Rearing; D005193:Family Planning Services; D005260:Female; D006076:Government; D006266:Health Education; D006801:Humans; D008297:Male; D011155:Population Control; D011203:Poverty; D011247:Pregnancy; D012067:Religion; D013672:Technology