Doppler ultrasound and fetal activity.
The possibility that Doppler ultrasound, as used in routine fetal monitoring by external cardiotocography, might stimulate fetal activity was investigated. A mean increase in fetal activity of over 90% was found, as judged by the fetal movement count.
D005260:Female; D005313:Fetal Death / Q000175:diagnosis; D005318:Fetal Heart; D005333:Fetus / Q000502:physiology*; D006801:Humans; D009068:Movement; D011247:Pregnancy; D014465:Ultrasonics; D014463:Ultrasonography