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    • About 47,XXY (Klinefelter)
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    • About 47,XXX (trisomy X)
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    • About 48,XXXY
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    • Other Variations
    • FAQ
  • Resources
    • Events
    • Research Opportunities for X&Y Chromosome Variations
    • Professional Directory
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      • Support Group Guidelines and Confidentiality Agreement
      • AXYS Monthly Drop-in Chat
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      • 2025 AXYS Community Conference
      • 2023 AXYS Virtual Family Conference
      • 2021 AXYS Virtual Family Conference
    • AXYS Consensus Documents
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    • Legal
    • Education/Schooling
      • Distance Learning
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Morbidity in Klinefelter syndrome and the effect of testosterone treatment

Home » Morbidity in Klinefelter syndrome and the effect of testosterone treatment

Morbidity in Klinefelter syndrome and the effect of testosterone treatment

Rick Frith2020-06-09T14:27:23-04:00

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The Association for X and Y Chromosome Variations (AXYS) is dedicated to addressing the needs of those affected by one or more extra X and/or Y chromosomes. We are focused on sharing knowledge, offering support, and initiating action to help improve lives of individuals and families.

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This website was enabled by the generous support of The American Association for Klinefelter Syndrome Information and Support, in memory of Wolfram Nolten, MD, an endocrinologist whose assistance and care were a continual inspiration to the Klinefelter community.

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