Transgender athletes look set to compete at the Olympic Games for the first time without first having to undergo gender reassignment surgery.
Medical chiefs at the International Olympic Committee have recommended the change allowing transgender athletes to take part in this summer's Olympics in Rio de Janeiro as well as other international events.
Transgender athletes have been allowed to compete at the Games since 2004 but only after surgery, having undergone a minimum of two years hormone therapy and being legally recognized as their changed gender.
Headed by Professor Ugur Erdener, the IOC medical hearing's findings said that, "it is necessary to ensure in so far as possible that trans athletes are not excluded from the opportunity to participate in sporting competition," while still ensuring "the guarantee of fair competition."
The hearing concluded that insisting on surgery "may be inconsistent with developing legislation and notions of human rights."