title: Maternal blood gases during human pregnancy.
mesh_terms: D002245:Carbon Dioxide / Q000097:blood*; D005260:Female; D005865:Gestational Age; D006801:Humans; D010100:Oxygen / Q000097:blood*; D011247:Pregnancy; D012119:Respiration
chemical_list: D002245:Carbon Dioxide; D010100:Oxygen