In former preeclamptics, a subnormal plasma volume (LPV) predisposes to hemodynamic maladaptation to pregnancy. Here, we assessed the initial cardiovascular response to pregnancy in LPV (n = 20), in former preeclamptics with normal plasma volume (NPV) (n = 35) and in parous controls (CONTR) (n = 9) by echocardiography, blood pressure and heart rate (HR), before pregnancy, and by 5 and 7 weeks amenorrhea. Data analysis was by nonparametric tests.
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