Viewpoint

The Return to Genetic Testing in Women’s Sport—Repeating History Without Evidence

JAMA 10.1001/jama.2025.18639

October 15, 2025 at 11:00 AM EDT

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This Viewpoint discusses whether mandatory chromosomal screening improves competitive integrity enough to justify its costs to athletes.

Corresponding Author: Tam Tran, MS, John T. Milliken Department of Medicine, Washington University School of Medicine, 660 S Euclid Ave, St Louis, MO 63110 (tamt@wustl.edu).

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