I had unprotected sex May 21st and May 22nd (pull out method) Later in the afternoon on May 22nd i got my period that i was expecting. On june 5th i had sex but used protection. June 6th thru the 12th i had bad cramping. Now it is the 17th and i am spotting brownish color my period is due on the 20th. If i am pregnant when did i get pregnant?? Or is it my period coming early??? Please help