Sudden period on pill?!?!

shell

Hello ladies

For several days now I’ve been getting quite a lot of vagina discharge but nothing too alerting but then suddenly I got light pink discharge and light period this morning. Like I do in the beginning of my cycle. But my period doesn’t til next week, so what does this mean?

People have said because of stress due to me working full time at retail (holiday season)

What do you guys think? Thank!