National efforts to reduce perinatal mortality and morbidity.
D000293:Adolescent; D000328:Adult; D002648:Child; D002662:Child Health Services / Q000600:supply & distribution; D002669:Child Welfare; D005193:Family Planning Services; D005260:Female; D005313:Fetal Death / Q000517:prevention & control*; D005315:Fetal Diseases / Q000517:prevention & control*; D006077:Government Agencies; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000517:prevention & control*; D007234:Infant, Premature; D008427:Maternal Health Services / Q000600:supply & distribution; D008429:Maternal Welfare; D011247:Pregnancy; D011295:Prenatal Care; D012940:Social Problems; D012943:Social Security; D014481:United States