irregular bleeding

Okay so I'm not suppose to start my next period until the 17th of this month but when ever I pee there's like a red tint color on the tissue you can barely see it. I need advice on what it could be! I haven't had sex since 2-3 days ago. You know when a guy rips you and there's a pale red color that's what it looks like. Advice please! We've been trying for 3 months now! Do y'all know what it could possibly be? And it just started tonight. And I'm not cramping real bad but just a little...