Look at this

http://oi64.tinypic.com/ao2of8.jpg
https://www.denverpost.com/wp-content/uploads/2018/02/ecad97002159430797c38516e5bb115d.jpg?w=524
https://static01.nyt.com/images/2017/02/26/sports/26WRESTLING/26WRESTLING-articleLarge.jpg?quality=75&auto=webp&disable=upscale
https://cdn.vox-cdn.com/thumbor/OohMeh2334BesUneo3yXwIhfvhg=/0x139:955x850/1200x800/filters:focal(229x175:459x405)/cdn.vox-cdn.com/uploads/chorus_image/image/60062503/Screen_Shot_2018_06_13_at_8.33.42_PM.0.png

Does this look fair to girls and women, at all? Male and female bodies are different and largely unchangeable. Trans athletes can compete in the boys/male leagues if they want.