I JUST GOT OF MY PERIOD ON OCT 28. NOV 7 I STARED CRAMPING REAL BAD THAT I HAD TO LEAVE WORK I WAS NOT SPOTTING OR NOTHING IT WAS JUST BAD CRAMPS.ON FRIDAY NOV 11 AND SATURDAY I WOKE UP WITH REALLY SORE BOOBS.I WAS MOVING MY ROOM AROUND ON SATURDAY AND I FELT LIKE IF I WAS GONNA GET MY PERIOD BUT NO BLOOD JUST LOWER BACK PAIN SORE BOOB AND CRAMPING WHAT CAN THIS BE ??? PLEASE HELP ME !!