Weird discharge

Ok so I’ve been on birth control over a year, never had any problems with it until now. Just this past Thursday was the end of my placebo week and I had some light brown discharge which is normal for me, but Thursday night I took my first active pill at 10pm like I always do and today I still am having the brown Discharge, it’s really thin and watery but there isn’t a lot. I had unprotected sex Thursday night and he was a little rough so I don’t know if that’s why the discharge is happening but it’s not normal for me. It always goes back to being clear after my first active pill. I don’t know if this is normal?