title: Assessment of fetal heart rate variability with abdominal fetal electrocardiogram: changes during fetal breathing movement.
mesh_terms: D000005:Abdomen; D001049:Apnea / Q000503:physiopathology; D004562:Electrocardiography; D005260:Female; D005315:Fetal Diseases / Q000503:physiopathology; D005323:Fetal Monitoring; D005324:Fetal Movement; D006340:Heart Rate, Fetal; D006801:Humans; D011247:Pregnancy; D012119:Respiration