Fetal heart rate during late pregnancy.
D004569:Electroencephalography; D005260:Female; D005318:Fetal Heart / Q000502:physiology*; D005865:Gestational Age; D006339:Heart Rate; D006801:Humans; D008991:Monitoring, Physiologic; D009068:Movement; D011247:Pregnancy; D013997:Time Factors; D014465:Ultrasonics