title: Pulsed doppler combined with B-mode imaging for blood flow measurement.
mesh_terms: D005260:Female; D005323:Fetal Monitoring / Q000295:instrumentation / Q000379:methods*; D006801:Humans; D011247:Pregnancy; D014465:Ultrasonics / Q000295:instrumentation; D014463:Ultrasonography; D014471:Umbilical Veins