Whether to allow transgender athletes to compete in women’s sports already was a key debate among Olympic leaders before U.S. President Donald Trump signed an executive order that puts pressure on them before the 2028 Summer Games in Los Angeles.

The new policy, which is effective immediately, limits competition in women’s sports exclusively to athletes assigned female at birth.

The decision, effective immediately, came a day after President Trump signed an order barring transgender girls and women from playing in women’s sports at federally funded educational institutions.