May 1, 1990

Spectral analysis of fetal heart rhythm in relation to fetal regular mouthing

International Journal of Bio-medical Computing
E E van WoerdenR Mantel


Fetal heart rate variation during fetal regular mouthing in behavioural state 1F was investigated applying spectral analysis. Periods with and without fetal regular mouthing movements were compared. The power spectrum of the periods with regular mouthing movements showed a peak at the frequency of the clusters of mouthing movements which was absent in the power spectrum of the corresponding periods without movements. The oscillations in the fetal heart rate associated with this peak in the power spectrum were detectable both in the heart rate tracings obtained from the abdominal electrocardiogram and those recorded by means of wide range Doppler ultrasound.

  • References10
  • Citations9


  • References10
  • Citations9


Mentioned in this Paper

Heart Rate, Fetal
Fetal Movement
Tomography, Ultrasonic
Vestibule of Mouth
Fetal Monitoring
Doppler Ultrasound (Procedure)
Signal Processing, Digital
Fetal Heart

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