I agree with Maya.
It's very important to analyze your own emotions. Telling others is a great relief, I know, but no one can tell you who you are; not even a therapist. This does not mean I condone against seeing a therapist, certainly not; I feel seeing a [gender] therapist is crucial in attempting to unravel confusion, worries and/or doubt - and as Maya said some of us would recommend, this is my first to you.
I have my own objections to telling the parents prior to gaining a full understanding of your emotions yourself, however, I will refrain from sharing as that is a decision each individual person must make.
It is a lot to take in, I know. You're confused and you seek answers. To make matters worse, the answers you seek are only capable of being given by you, the very person asking the questions. However, a gender therapist can read in between the lines and offer insight to help you answer your questions, and believe me, it is amazing how quickly you can make sense of your prior confusion.
If you would like, you may PM me. I cannot tell you who you are or what to do. I can offer advice that was given to me and allow you to use it merely as a guide. I will, however, read whatever it is you feel necessary to say, as I know having someone to share your thoughts with is imperative during the rough times.
Best of luck to you.