This information is provided as a resource and does not constitute an endorsement for any group. It is the responsibility of the reader to decide whether a group is appropriate for his/her needs. For evidence-based information on diseases, conditions, symptoms, treatment and wellness issues, continue searching this site.
National network. Founded 1990. Provide support, educate, encourage research and foster treatment and cures for symptoms of X and Y chromosome variations. These include, but are not limited to: XXY, XXX, XYY, XXXY, XXXXXY and XXYY. Brochures are available that describe basic symptoms, diagnoses and treatments. Newsletter $25 (US); $35 Family; $10 Adult with Condition.
Klinefelter Syndrome and Associates
P.O. Box 872
Pine, CO 80470-0872