Parents Refuse to take me to see a gynaecologist.

I'm 15 years old, I've had on and off UTI like symptoms for the past 4 moths, and my vagina is beginning to itch. I've been asking my mother if she could make me a gynaecologist appointment. The first couple of months she told me she told me she didn't know if we need to see a gynaecologist or a regular doctor whenever I brought it up. Recently she said she made me an appointment for this week, but it's the end of the week and she ignores me whenever I bring it up. I feel I may have at least one sort of infection and have every right to go see a gynaecologist. I have almost no idea why my mom would deny care to my health like that. We have absolutely no problem at all when it comes to money so that isn't a factor. What is your opinion on this? Can anyone help me figure out how to see a doctor on my own?

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