title: [Frequency and rhythm of fetal heart action potentials in the course of pregnancy].
mesh_terms: D000200:Action Potentials; D000653:Amniotic Fluid; D001145:Arrhythmias, Cardiac / Q000503:physiopathology; D001919:Bradycardia / Q000175:diagnosis; D004562:Electrocardiography; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis; D005318:Fetal Heart / Q000502:physiology* / Q000503:physiopathology; D006327:Heart Block / Q000175:diagnosis; D006339:Heart Rate; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D008297:Male; D011247:Pregnancy; D012737:Sex Factors; D013610:Tachycardia / Q000175:diagnosis; D013614:Tachycardia, Paroxysmal / Q000175:diagnosis; D013997:Time Factors; D014427:Twins
vernacular_title: Frequenz und Rhythmus der fetalen Herzaktionspotentiale im Verlauf der Gravidität.