American Association for Klinefelter Syndrome Info
Email list, conference, membership, newsletter, regional groups and resource links.
drkoop.com: Klinefelter Syndrome
A chromosome abnormality that affects only men and causes hypogonadism.
Genetic Org Home
Information about Klinefelter Syndrome, when it was first discovered, the common characteristics, and treatment.
Klinefelter Syndrome - The Ohio Support Network
Specific health and educational resources for Ohio KS individuals and their families. Links to local and national healthcare, ongoing research, conferences, and support meetings.
Klinefelter Syndrome Support
Educational and support information about Klinefelter Syndrome/XXY and its variants.
Klinefelter's Syndrome gynecomastia
Male chest recontouring for large male breasts (gynecomastia) found in Klinefelter's Syndrome with surgical reduction by excision and liposuction. Before and after photographs, links, movies, and patient question and answer boards.
My Klinefelter's Syndrome Page
David Brager's story, with information about Klinefelter's.
Turner Center
Literature on XYY, Klinefelter, XXX, and Turner's Syndrome.
XXY Information (Klinefelter Syndrome)
Medical information, news, and links.
XXY List
A private discussion list for which you must be an XXY to subscribe.
Yahoo!: XXYList
XXY is a genetic anomaly which occurs 1 in 500 in the general population today. Men with this condition usually have Klinefelters Syndrome. Offers joining instructions for this support group.