Below is a list of patient education resources where you can learn more about Klinefelter syndrome. If you have questions or concerns, ask your care team.


Websites and Blogs

  • Living with XXY
    Blogger and Klinefelter syndrome advocate Ryan Bregante shares his story and tips for living with the condition.

Rev. 12/2018. MassGeneral Hospital for Children and Massachusetts General Hospital do not endorse any of the brands listed on this handout. This handout is intended to provide health information so that you can be better informed. It is not a substitute for medical advice and should not be used to treatment of any medical conditions.