eli5 How come testosterone will change a trans man’s voice, but estrogen won’t change a trans women’s?

Question

eli5 How come testosterone will change a trans man’s voice, but estrogen won’t change a trans women’s?

In: Chemistry

Answer 1

My understanding is that the change is structural, that is the testosterone causes a physical change in the larynx and the vocal folds which are not undone when you remove the testosterone or increase estrogens