Bubbles?

Okay I'm going to be straight up. I have not had my period very long. I'm 14 years old and started December 1st of last year, on the dot December 1. I'm on my period rn too. So I'm not that use to everything that's happening. Today I noticed alot of... Like bubbles in my stomache or something. And it makes alot of noise. Not like my stomache is growling, just bubbles. I'm not sure what that is or anything, if that's being bloated I just don't know. Plz help