XXYY Project

Welcome to the home of information about XXYY Syndrome and the XXYY Project.

XXYY Project is a project of AXYS, the association for x & y chromosome variations.

Our vision is a world where men and boys with XXYY Syndrome lead purposeful, productive lives.
Read more about our mission.


Are you wondering if your child may have XXYY Syndrome?

Are you a parent looking for more information and how to connect with other parents?

Are you a doctor, speech therapist, occupational therapist, physiotherapist, teacher or other professional?

Are you looking to make a difference in the lives of those affected by XXYY Syndrome?


Download this flyer and send it to endocrinologists, developmental pediatricians, organizations serving people with special needs!  Help us to find more XXYY families world-wide!  To email the flyer, just use this link:  http://bit.ly/FindXXYY

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