Nigeria.
D000293:Adolescent; D000328:Adult; D002654:Child Care / Q000592:standards; D005260:Female; D005313:Fetal Death / Q000453:epidemiology*; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D008423:Maternal Age; D008427:Maternal Health Services / Q000592:standards; D008428:Maternal Mortality; D008430:Maternal-Child Health Centers; D009549:Nigeria; D011247:Pregnancy; D012959:Socioeconomic Factors