47XXY Archives - Klinefelter Syndrome X and Y Variations Support, Information, and Education

Do you suspect someone has Klinefelter Syndrome?

Jul 28, 2019 | Klinefelter Syndrome

What is Klinefelter Syndrome? Contents: One child or adult. Contains: Have at least one extra X chromosome. Sterility. Small testes will produce varying amounts of insufficient testosterone. May also contain language delay, learning disabilities, and possibly...