Background: The Karitane Parenting Confidence Scale (KPCS) was designed to assess parenting self-efficacy in parents of infants during the first year. Objective: The aim of this study was to analyse the psychometric characteristics of the KPCS in Portuguese mothers during the firstyear postpartum. Methods: A sample of 383 mothers were recruited at two public outpatient units in Northern Portugal. Mothers comple...