Klinefelter Syndrome/47,XXY

A Few Links to Information and Research
Related to Klinefelter Syndrome

Compiled by Brendan’s mother, Marie Tobin


The Association for X and Y Chromosome Variations (AXYS)
AXYS is dedicated to addressing the needs of those affected by one or more extra X and/or Y chromosomes. They are focused on sharing knowledge, offering support, and initiating action to help improve lives of individuals and families.

Downloadable brochures from AXYS on on X and Y chromosome variations

Article: After years of misdiagnoses, Lawrence teen found to have little-known disorder; parents hope to raise awareness (Lawrence Journal-World, July 1, 2014)

More links coming soon.