Maternal deaths among Ohio teenagers: a 16-year study.
D000293:Adolescent; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D008428:Maternal Mortality; D007744:Obstetric Labor Complications / Q000401:mortality; D009820:Ohio; D011247:Pregnancy; D011248:Pregnancy Complications; D011295:Prenatal Care; D012189:Retrospective Studies; D012922:Social Change