Here's something you can bark at these anti-Trans motherfluffers:

[Bernardo de La Paz]

3. Simple language: "Half of us are already trans. Yup, the males." Stop 'em in their tracks

You really have to whack some people with a metaphorical mental two by four to get them to think.

Ultimately, of course, it does not matter what hormones did what when. At least it is way down below the right of humans to be simply human first and to be able to choose what kind of human they are, let it harm none.