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Left ventricular (LV) morphological and functional characteristics in 9 women suffering from pregnancy‐induced hypertension (PIH) were studied by means of echocardiograms. In order to distinguish which changes depended on the pressure values and which were the result of pregnancy, 10 nonpregnant control women with no heart disease and 10 normal pregnant women (NP) were studied and the results of each of the groups compared. To evaluate the structure, left ventricular systodiastolic diameters and wall thickness were measured. The only statistically significant difference was in the diastolic diameters between the PIH (4:7 ±0.3 cm) and the control group (4.4±0.2 cm) p>0.01. Left ventricular mass was significantly increased (p>0.01) in the PIH patients (185±53.1 g) compared to the NP patients (161 ±29.6 g) and the control group (125±17.4 g). No statistically significant differences were found in the …