
The International Olympic Committee (IOC) has announced a new policy that limits participation in women’s events at the Olympic Games to biological females, marking a significant shift in eligibility rules.
In a statement released on Thursday, the IOC said athletes seeking to compete in female categories at future Olympic Games will be required to undergo a one-time Sex Determining Region Y (SRY) gene test. The test is designed to detect the presence of the Y chromosome, which is typically associated with male biological characteristics.
According to the committee, the policy will not affect past competitions but will be implemented starting from the 2028 Olympic Games in Los Angeles. The directive will apply across all Olympic sports once adopted by relevant international federations.
The move is expected to spark widespread debate, as it touches on issues of fairness, inclusion, and the evolving understanding of gender in sports.
IOC President Kirsty Coventry said the decision was guided by scientific evidence and expert medical advice. She explained that biological differences, particularly those linked to male chromosomes, can create performance advantages in sports that rely on strength, endurance, and speed.
According to Coventry, even the smallest edge can determine outcomes at the elite level, making fairness a critical consideration. She added that in certain sports, safety concerns also played a role in shaping the policy.
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The IOC emphasised that the rule is intended to ensure a level playing field, particularly in highly competitive events where marginal differences can separate winners from the rest of the field.

The new guideline will require all international sports federations to align their regulations with the IOC’s position for Olympic-level competitions, including both the Summer and Winter Games. This could lead to broader changes across various sporting bodies worldwide.
The policy also mirrors recent developments in the United States under Donald Trump, whose administration introduced measures restricting transgender athletes from participating in women’s sports.
As the 2028 Olympics approach, the IOC’s decision is likely to remain a focal point of global discussion, with advocates on different sides debating its implications for fairness, inclusion, and the future of competitive sport.