I’ve never heard such a thing. I asked you to provide a source as you made the claim. A cursory search showed nothing.
Such things happen in amphibians but I’ve never heard of humans experiencing a spontaneous sex organ transformation.
Some will go to incredible lengths to justify their perversions.
You must not be doing your searches correctly. Try for one example the BBC documentary:
Fight To Be Male Pt 1
https://www.youtube.com/watch?v=-b-abEh2k6k