Hello ladies I was supposed to get my period on the 9//20 and still nothing and I tested for pg test and it was negative but it was with those cheap pg test , and I tested today 9/28 and it was negative what should I do I still haven't gotten my period and I've been cramping so much and I've been discharging so much but it's watery what do u girls think I have ?? I have a dctrs appntm tomorrow?