This web site has been set up to provide information for patients with Kallmann syndrome and their family and friends in additional to any health care professionals keen to learn more about this rare condition.

A support organisation for people with Klinefelter syndrome and their families. The website offers information on the condition and membership of the organisation.

The KSA has been supporting people in the UK with Klinefelter's Syndrome, and their families and friends, since 1990. The KSA is both a source of information and a self-help support group.

Details of conferences in the United States together with online registration and travel information.