title: Prevention of recurrent pyelonephritis during pregnancy.
mesh_terms: D000328:Adult; D000667:Ampicillin / Q000627:therapeutic use; D000892:Anti-Infective Agents, Urinary / Q000008:administration & dosage / Q000627:therapeutic use*; D001437:Bacteriuria / Q000175:diagnosis; D002512:Cephalothin / Q000627:therapeutic use; D005260:Female; D006801:Humans; D008709:Methenamine / Q000627:therapeutic use; D009582:Nitrofurantoin / Q000627:therapeutic use; D011247:Pregnancy; D011251:Pregnancy Complications, Infectious / Q000188:drug therapy / Q000517:prevention & control*; D011704:Pyelonephritis / Q000188:drug therapy / Q000453:epidemiology / Q000382:microbiology / Q000517:prevention & control*; D012008:Recurrence; D012189:Retrospective Studies; D013223:Statistics as Topic; D013444:Sulfisoxazole / Q000627:therapeutic use; D013781:Texas; D013997:Time Factors; D014552:Urinary Tract Infections / Q000453:epidemiology
chemical_list: D000892:Anti-Infective Agents, Urinary; D013444:Sulfisoxazole; D000667:Ampicillin; D009582:Nitrofurantoin; D008709:Methenamine; D002512:Cephalothin