Prader-Willi Syndrome

About Prader-Willi Syndrome

Prader-Willi syndrome (PWS) is a genetic disorder characterized by hyperphagia, food preoccupation, learning difficulties and having a small stature. It is a very rare disorder that happens in only in 1 in 12,000 or 15,000 live births. It was discovered by Andrea Prader, Heinrich Willi, Alexis Labhart, Andrew Ziegler, and Guido Fanconi of Switzerland in 1956.


Unborn babies with PWS show the following signs: reduced fetal movement and frequent abnormal fetal position. At birth, the babies will show signs of lethargy, hypotonia, feeding difficulties, difficulties establishing respiration, hypogonadism. Duri...Read More


There is no known cure for PWS.

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