Ultrasonic fetal monitoring.
D004562:Electrocardiography; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis; D005318:Fetal Heart / Q000502:physiology; D005333:Fetus / Q000502:physiology*; D006326:Heart Auscultation; D006331:Heart Diseases / Q000175:diagnosis; D006801:Humans; D007743:Labor, Obstetric; D008722:Methods; D008991:Monitoring, Physiologic; D009119:Muscle Contraction; D011247:Pregnancy; D011248:Pregnancy Complications / Q000175:diagnosis; D014463:Ultrasonography; D014599:Uterus / Q000502:physiology