Firstly, I'd say that God does not make mistakes. You are God's creation and made in His image. Don't feel you are a mistake. Don't think that there's something wrong with you.
An article that addresses gender identity issues, including transgender
So, as someone who was unable to have children, what meaning did the eunuch’s sterile life hold in the face of mortality?
But I’d also heard about Jesus in a way I’d never heard before, a Jesus who wasn’t just a fable with the goal of making me a better person, but Jesus who was God among us
"People not pronouns" By Andrew Bunt, explores our responses to people's experience of gender in a careful and pastoral way.
I came out to a couple of my non-Christian friends as “bi”, and I told them not to tell anyone else, which they respected.
This is an ideal book both for Christians to read to learn more about transsexuality, and to give to those who identify as trans, irrespective of what they think about God. This is a book that, despite my high expectations and medical background, did not disappoint me in any way. Its pages flow with humanity, understanding and both biblical and scientific truth.