SPW Brasil
Brazilian Prader-Willi Syndrome Association
Supporting families and individuals with PWS for over 10 years

What is Prader-Willi Syndrome?
PWS is a rare genetic disorder affecting approximately 1 in 15,000 births. It is characterized by hypotonia at birth, feeding difficulties in infancy, and later hyperphagia (insatiable hunger) that can lead to obesity.
Learn more600+
Diagnosed
900+
Families Supported
9+
Years of Service
5+
Countries Reached
SPW Camp 2026
From February 9–12, children with PWS participate in activities like theater, dance, sports, cooking and more!
Learn moreJoin Our Community
Become a member of SPW Brasil and help strengthen our cause. As a member, you support families, fund research and participate in exclusive events.
Need Help?
Take our online screening to understand if your child may have signs of Prader-Willi Syndrome.
Take Questionnaire