Aortocaval compression in late pregnancy.
D001012:Aorta, Abdominal; D005260:Female; D006439:Hemodynamics; D006801:Humans; D007022:Hypotension / Q000150:complications; D011187:Posture; D011247:Pregnancy; D011249:Pregnancy Complications, Cardiovascular / Q000209:etiology; D011263:Pregnancy Trimester, Third; D011312:Pressure; D014682:Vena Cava, Inferior