Doppler ultrasound and fetal activity.Br Med J 1975; 2 doi: https://doi.org/10.1136/bmj.2.5962.62 (Published 12 April 1975) Cite this as: Br Med J 1975;2:62
- H David,
- J B Weaver,
- J F Pearson
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.