XXY or Ks?

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XXY or Klinefelter Syndrome?

What is XXY?:

What is XXY?
History
XXY or Ks?
Treatment
Treatment - Part 2
Sexuality & Fertility
XXY Aneuploidies
For Parents
Adolescence
In Conclusion

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Subsequent research studies expanded and revised the original features to include the following as possible associated conditions:

incomplete masculinization; feminine, or pear shaped, body and body hair distribution

decreased libido

altered brain structure

learning, emotional, and mental disorders

autoimmune disorders such as lupus

low energy

low self esteem

communication difficulties, especially with expressive language

frustration-based outbursts

motor skill issues

developmental delays

Other conditions that can be confused with Klinefelter syndrome.

Some researchers list all of these as being Klinefelter syndrome. However, there is a trend among modern practitioners to distinguish chromosomal variations from any possible resulting syndromes, diseases, and conditions. It is important to remember that not all XXYs will develop any or all of these conditions. Since your extra X is just one out of 47, you have a lot of other genetic material that affects you in a variety of ways, and the extra X can differ in genetic coding from individual to individual.

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This page first created: May 24, 1999
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