title: Respiratory physiology during labour.
mesh_terms: D002245:Carbon Dioxide / Q000097:blood; D005260:Female; D005333:Fetus / Q000502:physiology; D006801:Humans; D007743:Labor, Obstetric; D008431:Maternal-Fetal Exchange; D011247:Pregnancy; D012119:Respiration
chemical_list: D002245:Carbon Dioxide