Obstetrical implications of pregnancy in primigravidae aged 16 years or less.
D000293:Adolescent; D000328:Adult; D036861:Delivery, Obstetric; D005260:Female; D006801:Humans; D007226:Infant Mortality; D007744:Obstetric Labor Complications / Q000453:epidemiology*; D007752:Obstetric Labor, Premature / Q000453:epidemiology*; D011225:Pre-Eclampsia / Q000453:epidemiology*; D011247:Pregnancy; D013019:South Africa; D044465:White People