[Sequential echocardiographic studies of cardiac function in pregnancy].
D000328:Adult; D002302:Cardiac Output; D004452:Echocardiography; D005260:Female; D006321:Heart / Q000502:physiology*; D006334:Heart Function Tests / Q000379:methods; D006439:Hemodynamics; D006801:Humans; D049590:Postpartum Period; D011247:Pregnancy