Klinefelter Syndrome

Klinefelter Syndrome is a genetic disorder that occurs in 1/500-1000 males. It is defined by the abnormal chromosome karyotype 47,XXY, and has characteristic physical and cognitive phenotypes. The phenotype is distinguished by testicular failure and childhood androgen deficiency. The neurocognitive phenotype includes impaired motor function, language-based learning difficulties, and attention/working memory deficits.

Ongoing Studies

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