Ultrasonographic study and Doppler flow velocimetry of maternal kidneys and liver in low-risk pregnancy.

Objective: Longitudinal study with B-mode ultrasonography and Doppler ultrasonography of maternal kidneys and liver in low-risk pregnancy, to establish and quantify normality parameters, correlating them with physiological changes.

Materials And Methods: Twenty-five pregnant women were assessed and selected to participate in the study, each of them undergoing four examinations at the first, second, third trimesters and postpartum.

Results: Findings during pregnancy were the following: increased renal volume, pyelocaliceal dilatation with incidence of 45.