[darkhorse22]

Exactly, we need three categories: M, W, ?. In ?, anything goes: Hormones, steroids, doping, etc. We can't let nature hold back sport.

[readthenotes1]

We shouldn't separate by gender (which is irrelevant for sport performance using the "identify as" definition), but should simply use testosterone level: low, medium, high, based on highest level tested.

[tffgg]

Testosterone level is completely unfair when hormones are actively manipulated.