Guidance for a good consultation?

Hello,

Like in title, looking for guidance/tips for a good consultation. I'm 21f living neck deep in a red state, going to a consultation in next-door blue state. I'm young, unmarried, no kids, and absolutely NO want to have any. Even though this obgyn is in a blue state, I'm so scared she'll deny me because of my age. I know what I want. I talked to my mom about it when I was 16, asked my PCP about it when I was 18, and now trying to get it done at 21.

What's the best way to explain myself? What conversation route got you approved? Should I mention politics (abortion ban/possible contraceptive ban in the future)? Should I mention not wanting to pass down my medical problems? What topics should I avoid?

I appreciate all answers and examples from experience! :)