2ww!!!

So a brief history..I took progesterone to start af, got af on 11/15...Took clomid days 5-9...I believe I ovulated 11/26....we bd'ed a lot! Now for the past 3 days I have had cramps, almost like my entire lower abdomen is sore an sometimes I get a "burning" feeling..boobs don't hurt, no nauseas, just this constant tenderness..I tested today with a bfn I would be 7dpo. My cm is turning from very watery to lotiony....has anyone else had this and then gotten a bfp? Af is due 12/13.