For the patient. Racial and ethnic differences in preterm delivery among very low risk women.
D000293:Adolescent; D000328:Adult; D005260:Female; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D011247:Pregnancy; D047928:Premature Birth / Q000208:ethnology*; D044469:Racial Groups; D012307:Risk Factors; D014481:United States