Glossary

A diagnosed condition that occurs in boys who have an extra X chromosome in most of their cells. Klinefelter’s Syndrome is also referred to as XXY. The syndrome can affect different stages of physical, language and social development.
A diagnosed condition that occurs in boys who have an extra X chromosome in most of their cells. Klinefelter’s Syndrome is also referred to as XXY. The syndrome can affect different stages of physical, language and social development.