“Survey of Wellbeing of Young Children (SWYC)”: how does it fit for screening developmental delay in Brazilian children aged 4 to 58 months?

The Brazilian version of the Developmental Milestones questionnaire presented acceptable measurement qualities that support the SWYĆs potential as a developmental screening tool. As we found important differences between North American and Brazilian children in achieving the milestones, especially among the oldest children, additional normative studies are needed.