Why could I️ be bleeding

Mimi

I️ only see it when I️ wipe, and it’s not enough to fill a pad. It’s pink and slimy and the clots are like little specs nothing big. I️ haven’t taken any plan b, my period isn’t supposed to be on and my period has always been the same since I️ got it the very first time. This happened yesterday then went away and happened again earlier. I’m a little nervous cause This not normal