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Klinefelter syndrome is a genetic disorder that affects males. Klinefelter syndrome occurs when a boy is born with one or more extra X chromosomes. Most males have one Y and one X chromosome. Having extra X chromosomes can cause a male to have some physical traits unusual for males. Many men with an extra X chromosome are not aware that they have it, and they lead normal lives. Klinefelter syndrome occurs in about 1 out of 1,000 males.
My name is Stefan, I was diagnosed with Klinefelter Syndrome (KS) in February 1996 at the age of 25. Being diagnosed with KS has been, for the most part, a big sigh of relief after a life of frustrations. Granted, it was difficult and had a period of adjustment especially after finding out at age 25. Klinefelter Syndrome, as you may or may not know, is hard to diagnose. It occurs in roughly 1 in 500 males.