Need answers!!

Keosha

So i was suppose to start my period today right. Instead i just spotted. Everytime i went to the bathroom i wipe and its just pink discharge all day. So i know my body one i start spotting my period comes down right after that. So i just thought maybe its switching up. I drunk two beers and i didnt see no more spotting. So now im confused i been crampin all day. So im just a little nervous now can somebody tell me whats goin on.