TMI? vagina has a pocket?

Okay sorry ladies for the title I didn't know how else to explain it lol. Whenever I take my nuva ring out I swear it feels like it's stuck in like pocket. I can't just pull it out I have to push my finger backwards to grab it then pull it toward the opening. The inside opening of my vagina also feels pretty bumpy as well not like small bumps though. Me and my boyfriend have sex pretty frenqunetly and I get dry a lot during so could that be the reason? I hope any of this make sense I tried to explain it the best I could haha thanks in advance :)