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What is Klinefelter Syndrome?

Description of the disease

Klinefelter Syndrome is a genetic disorder caused by the presence of an extra sex chromosome in males. Typically, males have 46 sex chromosomes, but individuals with Klinefelter Syndrome have an extra one, making their total chromosome count 47 (47,XXY).


  • Klinefelter Syndrome can be classified as a chromosomal disorder.


  • Decreased body and facial hair
  • Enlarged breast tissue
  • Small testes
  • Memory and concentration problems


Klinefelter Syndrome is caused by the presence of an extra sex chromosome, which occurs due to improper cell division during reproduction.


Diagnosis is based on karyotype analysis, which determines the number and structure of chromosomes in the cells.


Treatment for Klinefelter Syndrome aims to alleviate symptoms and includes hormone replacement therapy, psychological support, and assistance in education and employment.


Since Klinefelter Syndrome is caused by genetic abnormalities, there is no specific prevention. However, early diagnosis and proper treatment can help alleviate symptoms.


Klinefelter Syndrome is managed by geneticists, endocrinologists, urologists, and psychologists.

Note: This material is provided for informational purposes only and is not medical advice.