title: Doppler ultrasound examination of fetal renal arteries.
abstract: This study used color Doppler imaging to establish the normal values of the pulsatility index in the fetal renal arteries in a group of 304 uncomplicated singleton pregnancies. The measurements were taken between 26 and 42 weeks of gestation. The median was 2.79 (95% confidence interval: 2.72-2.86) for 26 weeks' gestation, and it then fell linearly to 1.96 (95% confidence interval: 1.92-2.00) at 40 weeks. Compared with values published so far in the literature, the range was clearly smaller. These normal values could be used as a basis for further investigations on these vessels.
authors.affiliation: Department of Obstetrics, University of Zurich, Switzerland.
authors.forename: R
authors.initials: R
authors.lastname: Zimmermann
authors.forename: K H
authors.initials: KH
authors.lastname: Eichhorn
authors.forename: A
authors.initials: A
authors.lastname: Huch
authors.forename: R
authors.initials: R
authors.lastname: Huch