- IOC says transgender athletes should be able to compete at the Olympics without surgery
- Under previous guidelines, athletes had to undergo gender reassignment surgery
- Issue under spotlight after Olympic champion Bruce Jenner's sex change
- "I think we did it! I think it's official!" says transgender athlete Chris Mosier
(CNN)The issue of transgender athletes recently gained wider global attention when Bruce Jenner, the 1976 Olympic decathlon champion, announced he had undergone gender reassignment surgery and was now living as a woman, Caitlyn Jenner.