Proposed standard measure of recurrence of out-of-wedlock births to adolescents.
D000293:Adolescent; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007086:Illegitimacy; D008393:Marriage; D011153:Population; D011247:Pregnancy; D013223:Statistics as Topic / Q000592:standards*; D013997:Time Factors; D014481:United States