title: A monitoring system incorporating ultrasonic fetal cardiotachometry and uterine electromyography.
mesh_terms: D004562:Electrocardiography; D004576:Electromyography; D005260:Female; D005318:Fetal Heart; D006801:Humans; D008722:Methods; D008991:Monitoring, Physiologic; D011247:Pregnancy; D014159:Transducers; D014465:Ultrasonics; D014599:Uterus / Q000502:physiology*