BacteriuriaAsymptomatic InfectionsPyuriaUrinary Tract InfectionsPyelonephritisUrineCystitisSulfamethizoleUrinary CatheterizationPregnancy Complications, InfectiousUrinary CathetersMedical StaffEscherichia coli InfectionsAnti-Infective Agents, UrinaryReagent StripsNitrofurantoinKlebsiellaJob DescriptionSpermatocidal AgentsEscherichia coliAnti-Bacterial AgentsElectrophoresis, Starch GelSkilled Nursing FacilitiesContraceptive Devices, FemaleNursing StaffCatheter-Related InfectionsLiability, LegalBacteriaPregnancyNigeriaVirulence FactorsColony Count, MicrobialPrevalenceAntibiotic ProphylaxisMicrobial Sensitivity TestsUrinalysisBacteriological TechniquesProspective StudiesUrographyRetrospective Studies