Infant mortality and morbidity in relation to certain maternal factors.
D005260:Female; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn / Q000706:statistics & numerical data; D009017:Morbidity; D009657:North Carolina; D011247:Pregnancy; D011248:Pregnancy Complications; D014798:Vital Statistics
INFANT, NEWBORN/statistics; PREGNANCY/complications; VITAL STATISTICS