As someone who has followed the ongoing discussion about fairness in women's sports, the IOC’s new genetic testing rule highlights the complexities faced by athletes born with intersex variations. The SRY gene, typically found on the Y chromosome, signals male sex development in the womb, but not all who carry this gene develop male physical traits due to conditions like Complete Androgen Insensitivity Syndrome (CAIS). This biologically nuanced reality means that the presence of the SRY gene does not automatically confer athletic advantages traditionally associated with male hormone responses. From personal experience coaching young athletes, I’ve seen how identity and biology intersect in deeply personal ways, and how policies like these must be sensitive to those nuances to ensure fairness without exclusion. The rule might help standardize competition categories, but it runs the risk of sidelining athletes who do not fit neatly into binary definitions of sex and gender. Historically, the IOC has grappled with this since the 1996 Olympics, when a small number of female athletes tested positive for the SRY gene but were allowed to compete based on their androgen insensitivity conditions. However, this new one-time genetic test introduces a stricter screening mechanism that hasn’t yet fully addressed how athletes with intersex traits fit into women’s sports. This policy raises important questions: How do we define “fairness” in sports? Is excluding athletes with certain genetic markers just? Can transgender and intersex athletes be included in a way that respects their rights without compromising competitive equity? My personal view is that conversations should move beyond exclusion towards creating inclusive solutions that respect biological diversity without compromising fairness. Sports organizations must invest in education and medical expertise to develop nuanced policies, and include voices from intersex and transgender athlete communities. Ultimately, athletic ability is influenced by many factors, and it is critical that rules don’t rely on overly simplistic genetic criteria. Fairness in sports should ensure everyone can participate and compete under conditions that recognize both biology and identity. This dialogue is crucial as we evolve our understanding of gender and competition in the Olympic movement and beyond.