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Klinefelter Syndrome Association of Canada


42 Ritson Road South, Upper floor,
Ontario, L1H 5G9 Canada



Email Address

[email protected]


The Klinefelter Syndrome Association of Canada (KSAC) is a voluntary, non-profit, self-help organization dedicated to providing services that improve and enhance the quality of life for children and adolescents with Klinefelter syndrome, a rare chromosomal disorder. Males normally have one X and one Y chromosome; however, individuals with Klinefelter syndrome have one or more extra X chromosomes in cells of the body. Associated symptoms and physical findings may not become apparent until puberty. Such abnormalities may include abnormal smallness of the testes, infertility due to absence of sperm production (azoospermia), enlargement of the breasts (gynecomastia), long legs and unusually tall stature, and/or other symptoms and findings. Established in 1987, the Klinefelter Syndrome Association of Canada is committed to promoting the early detection and treatment of Klinefelter syndrome, providing support to affected individuals and family members, promoting professional and public awareness of the disorder, and functioning as a resource service on Klinefelter syndrome.

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