title: Intrapartum drugs and fetal blood pH and gas status.
mesh_terms: D000136:Acid-Base Equilibrium / Q000187:drug effects; D000773:Anesthesia, Obstetrical / Q000009:adverse effects*; D001724:Birth Weight; D001769:Blood; D002245:Carbon Dioxide / Q000097:blood*; D005260:Female; D005333:Fetus / Q000032:analysis*; D005865:Gestational Age; D006801:Humans; D006863:Hydrogen-Ion Concentration; D008614:Meperidine / Q000009:adverse effects; D009269:Nalorphine / Q000009:adverse effects*; D010100:Oxygen / Q000097:blood*; D010313:Partial Pressure; D011247:Pregnancy; D012189:Retrospective Studies; D014469:Umbilical Arteries; D014470:Umbilical Cord; D014471:Umbilical Veins
chemical_list: D002245:Carbon Dioxide; D008614:Meperidine; D010100:Oxygen; D009269:Nalorphine