Exactly aero!
I really don't get whether these fanaticists are seriously arrogant or utterly foolish when they try to tell women about periods, female puberty, pregnancy, birth.
They are features associated with being biologically female.
It always amuses me that most of the loud whining gits are men in their 20s/30s identifying as women, many of whom have zero intention of transitioning.
I've never seen a trans man go around telling biological men that they are an expert on being a man and know about all things penis-related because they wear men's clothing.
Sort of interesting really. Transwomen brought up with lots of male privilege expect to retain their privilege, which surely shows they know fuck all about being a woman.