Teenage mothers: pregnancy performance and new-born status.
D000293:Adolescent; D000328:Adult; D001724:Birth Weight; D001835:Body Weight; D005260:Female; D005313:Fetal Death; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D011247:Pregnancy; D011253:Pregnancy in Adolescence; D012959:Socioeconomic Factors