Background: Gestational hypertension is a form of high blood pressure in pregnancy. It occurs in about 6 % of all pregnancies. Impaired placental perfusion due to vascular abnormalities is clinically evident and can be diagnosed with Doppler ultrasound. Purpose: The aim of this study is to evaluate hemodynamic changes using Doppler ultrasound of the abdomen and central artery in            pregnant           women         with            and                 without               hypertension. Materials and Methods: For data analysis, 179 pregnant women aged between 19-40 were selected from private clinics and 47 of them were diagnosed with gestational hypertension. They compared Doppler ultrasound hemodynamic assessment of the middle cerebral and umbilical arteries in late pregnancy with 132 control pregnant women without hypertension. Results: The mean±SD of RI , DS and PS/ED parameters of the umbilical artery showed a significantly different (P <0.05). However, the Doppler contrast of the MCA artery showed a slight difference between the study groups, so they were not associated with gestational hypertension (P>0.05).Binomial regression analysis was done, Increase UA RI and UA PSED associated with increased risk of hypertension more than double when compared to control group (odds ratio

=2.638 , 2.610) respectively while Increase UA DS associated with decreased risk of hypertension when compared to control group (odds ratio =0.725).Conclusion: Doppler ultrasound examination of maternal abdominal arteries can be used to determine hemodynamic dysfunction due to gestational hypertension.

Keywords: gestational hypertension, Doppler ultrasound, third trimester , placental perfusion , maternal abdominal arteries