Fetal heart studies with the ultrasonic Doppler technique.
D000818:Animals; D001794:Blood Pressure; D002339:Carotid Arteries; D004285:Dogs; D004562:Electrocardiography; D005260:Female; D005318:Fetal Heart / Q000502:physiology*; D006168:Guinea Pigs; D009119:Muscle Contraction; D011247:Pregnancy; D014463:Ultrasonography; D016276:Ventricular Function