Fetal Doppler ultrasonography and cordocentesis.
Soothill
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D001783:Blood Flow Velocity; D001784:Blood Gas Analysis; D001800:Blood Specimen Collection; D005260:Female; D005312:Fetal Blood / Q000032:analysis*; D005323:Fetal Monitoring / Q000379:methods; D006801:Humans; D011247:Pregnancy; D014463:Ultrasonography; D014469:Umbilical Arteries / Q000502:physiology*; D014471:Umbilical Veins