Pregnancy: an adolescent crisis.
D000293:Adolescent; D000367:Age Factors; D003267:Contraception; D005191:Family Characteristics; D005260:Female; D006801:Humans; D007086:Illegitimacy; D008910:Minnesota; D011247:Pregnancy; D011275:Pregnancy, Unwanted; D012736:Sex Education; D012959:Socioeconomic Factors; D013997:Time Factors