Renal DialysisHemodialysis Units, HospitalMorbidityCapital ExpendituresDithioerythritolMaternal MortalityKidney Failure, ChronicPeritoneal DialysisPregnancyInfant, NewbornDialysisDialysis SolutionsPeritoneal Dialysis, Continuous AmbulatoryTreatment OutcomeRisk FactorsPeritonitisPeritoneumIntensive Care UnitsCatheters, IndwellingTime FactorsRetrospective StudiesHemodialysis SolutionsProspective StudiesUltrafiltrationUreaNephrology