title: Polycardiographic evaluation of selected parameters of fetal heart activity in normal conditions and in pathology, with special attention paid to ultrasonic methods.
mesh_terms: D036861:Delivery, Obstetric; D004562:Electrocardiography; D004566:Electrodes; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis*; D005318:Fetal Heart / Q000473:pathology / Q000502:physiology*; D005865:Gestational Age; D006339:Heart Rate; D006801:Humans; D007231:Infant, Newborn; D008722:Methods; D010701:Phonocardiography; D011187:Posture; D011225:Pre-Eclampsia / Q000503:physiopathology; D011247:Pregnancy; D011273:Pregnancy, Prolonged; D014463:Ultrasonography