Sickle cell trait, maternal age and pregnancy outcome in primiparous women.
D000293:Adolescent; D000328:Adult; D000755:Anemia, Sickle Cell / Q000503:physiopathology*; D001724:Birth Weight; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008423:Maternal Age; D011247:Pregnancy; D011250:Pregnancy Complications, Hematologic / Q000503:physiopathology*; D012805:Sickle Cell Trait / Q000503:physiopathology*