[The echocardiographic observation of the cardiac function in normal pregnancy and supine hypotensive syndrome].
D004452:Echocardiography; D005260:Female; D006321:Heart / Q000503:physiopathology*; D006801:Humans; D007024:Hypotension, Orthostatic / Q000503:physiopathology*; D011247:Pregnancy; D011248:Pregnancy Complications / Q000503:physiopathology*