period question, what is my body doing now

raebear

my period is due in 5 days, I'm usually exactly on time give or take 2 days. well 2 days ago I had some light brown discharge, a little thick, kind of like the discharge you get when you just get off your period. well today I'm not having it anymore.Has this happened to anyone else? is it just old blood before my period or? don't know just confused