label: Reversed end-diastolic umbilical artery flow
label_lc: reversed end-diastolic umbilical artery flow
description: "An anomaly that is visualized by umbilical artery Doppler velocimetry. Flow in the umbilical artery should be in the forward direction in normal circumstances. This anomaly is characterized by an reversal of flow in the umbilical artery at the end of diastole (i.e., backwards flow)."