Sickle cell trait and pregnancy.
D000755:Anemia, Sickle Cell / Q000150:complications*; D005260:Female; D006801:Humans; D011247:Pregnancy; D011250:Pregnancy Complications, Hematologic; D011655:Pulmonary Embolism / Q000209:etiology; D012805:Sickle Cell Trait / Q000150:complications*