Spotting 2 weeks before my Next expected period?

Mrs.Burns💋 • Married Happily Ever After, Chemical Angel in Heaven 05/04/17, October baby of ‘98, TTC#1 that sticks.

Can anyone tell me why I’m spotting brown pink and a little red 2 weeks before my period? I’ve NEVER DONE THIS BEFORE. I’ve never bled or spotted between periods. Not stressed nothings changed. Thanks for all your quick replies.