Failure of nonstress test and Doppler-assessed umbilical arterial blood flow to detect imminent intrauterine death.
An unexplained intrauterine death occurred within 12 hours of a normal reactive nonstress test. Furthermore the umbilical arterial impedance measured by pulsed Doppler ultrasound was also normal.
D000328:Adult; D001783:Blood Flow Velocity; D005260:Female; D005313:Fetal Death / Q000175:diagnosis*; D005318:Fetal Heart / Q000502:physiology*; D005323:Fetal Monitoring / Q000379:methods*; D006339:Heart Rate; D006801:Humans; D008423:Maternal Age; D011247:Pregnancy; D018566:Pregnancy, High-Risk; D012039:Regional Blood Flow; D014465:Ultrasonics; D014463:Ultrasonography; D014469:Umbilical Arteries / Q000502:physiology