Aortic stiffness in normal and hypertensive pregnancy

100 pregnant women (5 with severe pre-eclampsia, 27 with gestational hypertension, 14 with chronic hypertension, and 54 with normal pregnancy)

Aortic stiffness assessment by pulse wave analysis (applanation tonometry)

Normal pregnancies and women with chronic hypertension

Central hemodynamic parameters including central aortic systolic blood pressure (CSBP), central aortic diastolic blood pressure (CDBP), augmentation pressure (AP), augmentation index (AIx), AIx corrected to a heart rate of 75 (AIx@75), and time to reflection (Tr)surrogate