Respiratory changes in labour.
D000328:Adult; D001784:Blood Gas Analysis; D002245:Carbon Dioxide / Q000378:metabolism; D005260:Female; D006801:Humans; D006985:Hyperventilation; D007743:Labor, Obstetric; D011247:Pregnancy; D011859:Radiography; D012119:Respiration / Q000502:physiology*; D014599:Uterus / Q000502:physiology
D002245:Carbon Dioxide