Fetal breathing movements.
D000818:Animals; D001237:Asphyxia / Q000175:diagnosis; D002628:Chemoreceptor Cells / Q000502:physiology; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis; D005333:Fetus / Q000502:physiology*; D006801:Humans; D008526:Medulla Oblongata / Q000502:physiology; D010791:Phrenic Nerve / Q000502:physiology; D011247:Pregnancy; D011296:Prenatal Diagnosis; D012119:Respiration; D012895:Sleep, REM / Q000502:physiology; D014463:Ultrasonography