title: Maternal respiratory changes during pregnancy and parturition.
mesh_terms: D000403:Airway Resistance; D000767:Anesthesia, Epidural; D002245:Carbon Dioxide / Q000097:blood; D004548:Elasticity; D005260:Female; D006801:Humans; D006985:Hyperventilation / Q000188:drug therapy; D007743:Labor, Obstetric / Q000187:drug effects; D008168:Lung / Q000033:anatomy & histology; D008170:Lung Compliance; D008614:Meperidine / Q000494:pharmacology; D009132:Muscles / Q000033:anatomy & histology; D010100:Oxygen / Q000097:blood; D011247:Pregnancy; D012119:Respiration / Q000187:drug effects; D012137:Respiratory System / Q000033:anatomy & histology; D013909:Thorax / Q000033:anatomy & histology; D014797:Vital Capacity
chemical_list: D002245:Carbon Dioxide; D008614:Meperidine; D010100:Oxygen