Prader-Willi syndrome

What is Prader-Willi syndrome? Prader-Willi syndrome (PWS) is a genetic condition. It is caused by missing genes on chromosome 15. This happens by chance. Although it has no cure, treatment, especially if received early on, can help with symptoms. What are the symptoms of Prader-Willi syndrome? In babies, typical signs of PWS include: floppiness, difficulty sucking to feed, and delays in learning to sit and crawl, all caused by weakened muscles sleeping more than normal a weak cry failure to thrive From around 2 years of age, affected children can start to develop other symptoms such as: an insatiable appetite, leading to excessive weight