Klinefelter Syndrome Flashcards
1
Q
What is it?
A
Klinefelter syndrome (KS) also known as 47,XXY or XXY, is the set of symptoms that result from two or more X chromosomes in males.[2] The primary features are sterility and small testicles.[2
2
Q
Signs and symptoms
A
Often, symptoms may be subtle and many people do not realize they are affected.[1] Sometimes, symptoms are more prominent and may include weaker muscles, greater height, poor coordination, less body hair, breast growth, and less interest in sex.[1] Often it is only at puberty that these symptoms are noticed.[4] Intelligence is usually normal; however, reading difficulties and problems with speech are more common.[1] Symptoms are typically more severe if three or more X chromosomes are present (XXXY syndrome or 49,XXXXY).[1]
