terrified for appointment tomorrow

i’m 17 and pregnant. i miscarried at 15. i am beyond terrified to go in tomorrow. i’m only seven weeks but considering i had a molar not so long ago they asked me to come in a bit earlier than usual. my anxiety is ridiculous today. i can’t stop thinking about having to go to the hospital again to get my uterus contents sucked out. to have to sit in a labor and delivery room as i’m losing my pregnancy. this pregnancy feels so much different and i’m in such a good place now but last miscarriage destroyed me. i still don’t feel the same me but i’m doing a lot better. any advice on how i can keep myself chill? ever since i got pregnant my anxiety has been x1000 :( (also i know nothing ages are very young, the first one at 15 i DID try for because i was stupid as all hell, this one was a complete accident, please dont shame me i have enough of that. thank you :))