The unmarried adolescent parent.
D000293:Adolescent; D000300:Adoption; D000328:Adult; D000367:Age Factors; D001290:Attitude; D003267:Contraception; D005006:Ethnicity; D005219:Father-Child Relations; D005260:Female; D006801:Humans; D007063:Identity Crisis; D007086:Illegitimacy; D008297:Male; D008393:Marriage; D009034:Mother-Child Relations; D010290:Parents; D011247:Pregnancy; D011248:Pregnancy Complications / Q000209:etiology; D012649:Self Concept; D012736:Sex Education; D012847:Single Person; D014481:United States