BacteriuriaAsymptomatic InfectionsPyuriaUrinary Tract InfectionsPyelonephritisPrevalenceUrineCystitisSulfamethizoleUrinary CatheterizationPregnancy Complications, InfectiousUrinary CathetersMedical StaffEscherichia coli InfectionsAnti-Infective Agents, UrinaryReagent StripsNitrofurantoinJob DescriptionSpermatocidal AgentsKlebsiellaElectrophoresis, Starch GelSkilled Nursing FacilitiesEscherichia coliContraceptive Devices, FemaleNursing StaffCatheter-Related InfectionsAnti-Bacterial AgentsLiability, LegalNigeriaPregnancyVirulence FactorsBacteriaColony Count, MicrobialUrinalysisProspective StudiesBacteriological TechniquesUrographyRetrospective Studies