The value of Doppler assessment for physiologic function of placental circulation and fetal well-being has not been uniformly accepted despite the clinically noninvasive and readily accessible features for measurement. Uterine and fetal Doppler readings must be interpreted within the context of the vessel under interrogation, location along the vessel site, and gestational age. Definitions of “high risk” or “poor outcome” also qualify the feasibility for use of Doppler as a screening device. Because Doppler is not included as a standard of care in many aspects of high-risk pregnancy, it is probably underused as a valuable clinical tool.
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