title: Factors affecting the fetal heart rate: genesis of FHR patterns.
mesh_terms: D001341:Autonomic Nervous System / Q000502:physiology; D001919:Bradycardia / Q000209:etiology; D004562:Electrocardiography; D005260:Female; D005315:Fetal Diseases / Q000150:complications; D005318:Fetal Heart / Q000502:physiology*; D006339:Heart Rate; D006801:Humans; D000860:Hypoxia / Q000150:complications; D011247:Pregnancy; D011248:Pregnancy Complications; D013610:Tachycardia / Q000209:etiology