Digital filtering and fetal heart rate variability.
D003201:Computers; D004562:Electrocardiography; D005260:Female; D005318:Fetal Heart / Q000502:physiology*; D005323:Fetal Monitoring / Q000379:methods*; D005583:Fourier Analysis; D006321:Heart / Q000502:physiology; D006339:Heart Rate; D006801:Humans; D011247:Pregnancy