title: Respiratory problems in pregnancy.
mesh_terms: D000136:Acid-Base Equilibrium / Q000502:physiology; D000471:Alkalosis / Q000503:physiopathology; D001784:Blood Gas Analysis; D005260:Female; D006801:Humans; D006985:Hyperventilation / Q000503:physiopathology; D008431:Maternal-Fetal Exchange / Q000502:physiology; D010101:Oxygen Consumption / Q000502:physiology; D010102:Oxygen Inhalation Therapy; D011247:Pregnancy / Q000502:physiology*; D011374:Progesterone / Q000494:pharmacology; D012119:Respiration / Q000187:drug effects / Q000502:physiology*; D012131:Respiratory Insufficiency / Q000503:physiopathology; D014470:Umbilical Cord
chemical_list: D011374:Progesterone