OMG! :/ -.-

Just i don't know what is going on. Haven't really been taking the pill like I should be. My boyfriend and I baby dance like every single day since I been off my period, (no condoms), we aren't really ttc but if it happens it happens. Well Sunday I had cramping it was off and on, today I had the same cramping but only lasted for acouple of hours. But we baby dance like we always do and I got up to go clean up and notice some blood. What could of it been from?