WHITE LIQUID!??

I woke up this morning to wet underwear, my first thought was that I started my period. I get up to wash up, BUT when I check there is no blood. I find a white liquid running down my leg. I check to see if there's an odor but there's none. My period isn't suppose to start for another 2 weeks so I don't believe it's discharge. On Sunday my boyfriend and I had unprotected sex but I don't think that has to do with it. This is the first time this has happened to me and I'm really concerned! DO ANY OF YOU KNOW WHATS GOING ON?