Umbilical artery Doppler blood flow studies in the preterm, small for gestational age fetus

Umbilical artery Doppler studies were performed on the day of delivery in 15 singleton preterm pregnancies. In each case the fetus was significantly growth retarded on ultrasound examination and the attending obstetrician had made a decision to deliver the patient of the infant. Eight women had severe preeclampsia, three had mild chronic hypertension, and in four there was no recognized maternal disorder. Doppler studies were analyzed by use of...