Caitlyn Jenner has backed a controversial new bill which has banned transgender women competing against cisgender women in swimming races.The new policy was announced by swimming governing body FINA.The new rules will mean that transgender women can only compete in women’s races if they have completed their transition by the age of 12.Following the announcement on Sunday, Caitlyn Jenner – who famously transitioned in 2015 – tweeted: “it worked!

I took a lot of heat – but what’s fair is fair! If you go through male puberty you should not be able to take medals away from females.

Period.”The former Keeping up With the Kardashians star first rose to fame after competing at the 1976 Olympic Games in Montreal.