Unprepared for delivery day...

I’m 22 ,31 weeks pregnant and this is my first pregnancy.

I feel like an idiot for not just knowing these things but I have no one to talk to and I assumed my doctor would eventually bring it up to me but we have yet to really speak about anything.

Do your doctors ask you to form a birth plan or did you just do it?

Who do I call when my water breaks? The hospital I want to deliver at? My doctors office where I’ve been getting check ups?

Right now I have no idea what’s really going on but I didn’t want to bother my doctor with her being super busy. Also didn’t want to stay in the office too long with all the covid stuff going on.