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Klinefelter syndrome

Klinefelter Syndrome & Associates, Inc.
PO Box 119
Roseville, CA 95678-0119
Phone: 916.773.1449
Fax: 916.773.1449
Web site: (Japenese version)
[Note: group name may change to X & Y Family Genetic Network and include XXX, and XXY and the multiple sex chromosome variants]
- Resources for families
- Introductory video about XXY, by mother whose son has Klinefelter Syndrome
- The Even Exchange, Newsletter
American Association for Klinefelter Syndrome Information and Support

Klinefelter Syndrome Support Group Home Page, numerous links to other organizations and resources, created by an adult with Klinefelter Syndrome, regional groups, varients, international groups

International Groups:

Australian Klinefelter Support Group
4 Victoria Rd
Acquire Fields NEW 02564 AUSTRALIA
Victoria Support Group
41 Jesmond Rd
Cordon, Victoria 03136 AUSTRALIA

Klinefelter Syndrome Support Group
P.O.Box 3
Glendenning Mail Center NEW 2761 AUSTRALIA


Canada Klinefelter Support Group
Apt. 3, 2867 Young St.
Toronto, ON. Canada M4N 2J5
416. 481.3171

England (United Kingdom)

Klinefelter's Syndrome Association
56 Little Yeldham Road
Little Yeldham, Halstead, Essex CO9 4QT
Klinefelter Organisation [formerly the Klinefelter's Syndrome Club UK (KSCUK)]

Belgische vereniging voor het syndroom van Klinefelter

Sweden and Denmark

Swedish Klinefelter Association (Svenska XXY& Klinefelterföreningen)

Klinefelter Syndrome Booklets, Danish version or English version, The Turner Center

Norwegian Klinefelter Site

Other information:

Also See:

To locate a genetic counselor or clinical geneticist in your area:

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Genetics Education Center
University of Kansas Medical Center © 1995-2012
Debra Collins, M.S. CGC, Genetic Counselor,


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