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Index/Topics/Testosterone thresholds in sports

Testosterone thresholds in sports

The use of testosterone thresholds to determine eligibility for female categories in sports, and the associated scientific and ethical debates.

Fact-Checks

2 results
Feb 4, 2026

What are the established medical definitions and diagnostic criteria for intersex conditions, and how have sports organizations handled confirmed intersex cases?

Medical communities characterize “” broadly as variations in sex characteristics that do not fit typical binary notions of male or female bodies, increasingly grouped under the clinical label “differe...

Jan 14, 2026

How do different sports federations currently regulate trans women’s participation and what evidence do they cite?

Different sports bodies have adopted a patchwork of rules on trans women’s participation: some international federations set testosterone-based thresholds for elite competition while many national and...

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