[2 cases of the supine hypotension syndrome].
D000328:Adult; D001794:Blood Pressure; D005260:Female; D006801:Humans; D007022:Hypotension / Q000209:etiology*; D007746:Labor Presentation; D011187:Posture; D011247:Pregnancy; D011249:Pregnancy Complications, Cardiovascular; D011674:Pulse