HIV infection among high-risk pregnant women.
D000163:Acquired Immunodeficiency Syndrome / Q000453:epidemiology*; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D011247:Pregnancy; D011251:Pregnancy Complications, Infectious / Q000453:epidemiology*; D011446:Prospective Studies