xxy adult, Klinefelter, Klinefelter syndrome, xxy, 47xxy

XXY Adult Matthew

XXY Adult Mathew My son Matthew is 26 years old and was diagnosed with Klinefelter syndrome when he was 14 years old.  I credit his pediatrician who thought that his enlarged breast tissue was something more than just puberty.  He sent us off to CHOP (Children’s Hospital of Philadelphia) where we received his diagnosis.  At …