I don’t know, nor have I heard of a single trans person who denies that they are “biologically” their birth sex. They are extremely, very aware of that fact usually.

Trans men who havent undergone bottom surgery still go get pap smears, trans women still get prostate exams.

There’s a reason why the community has the terms “assigned male at birth” and “assigned female at birth”, and it’s to solve any ‘language utility’ that might be lost from just being respectful and calling them what they want to be called.

I would provide you more detail but I’m not gonna effort post just for you to do a trans denialism so I’ll leave it here.