i get my period at the end of the month and it will end the beginning of the next month.. so its like i get my period for the new month the month before in a way . but im worried because i had gotten my period on march 27th and it ended the 2nd of april which was a friday.. But i had sex on monday of next week which was the 5th and it was unprotected but whne i got home i took plan b and i just got my period again last night? im wondering when or if my period will be back to normal. willl i get it again this month ? or is this my period for may?