American Association for Klinefelter Syndrome Information and Support (AAKSIS) is dedicated to bringing you accurate and current information about Klinefelter Syndrome and is a network for individuals, families, and anyone interesting in learning more about Klinefelter Syndrome. Klinefelter Syndrome, 47XXY, the most common of the sex chromosome variations, is said to occur in 1 out of 500 males. Statistics suggest that there are thousands of 47XXY individuals in the United States alone. Many remain undiagnosed.
Kleinfelter Syndrome from the Mayo Clinic. Klinefelter syndrome is a genetic condition that results when a boy is born with an extra copy of the X chromosome. Klinefelter syndrome is a common genetic condition affecting males.
What are common symptoms of Klinefelter syndrome (KS)? a Guide for XXY males and their families from the Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health (NIH).
Klinefelter's Syndrome – also called: XXY male from MedlinePlus, the U.S. National Library of Medicine (NLM), U.S. Department of Health and Human Services (HHS), National Institutes of Health (NIH).
Rare Disease Information from the National Organization for Rare Disorders (NORD). The database provides brief introductions for patients and caregivers to specific rare diseases.
Learn Genetics, genetic science learning center from the University of Utah Health Sciences.
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