@SarahKSilverman We do know how this plays out already though. No-one is saying transgender people shouldn't play sport. They are saying that sport has to be fair and SAFE for everyone. Transwomen who have gone through puberty will be physically more like an average male, than an average female.

ie taller, heavier, greater bone density, greater lung capacity, larger heart muscles, more muscle to fat ratio. There are always exceptions, but when you look at safety and fairness in sport - there's a reason why it's split by sex. Check the statistics.

This graphic shows how even under 18 boys outperform the best adult women in sport. Making sport fair the way YOU think it's fair will erase females from professional sport pretty much altogether.