I have had regular periods... I usually begin my menstrual between the 8th and 10th of each month.. this month I started spotting early on the 4th I thougbt my period was coming but it didn't. . I had this light pink spotting only when I went to pwe for 3 days..yesterday it was a little light brown.. I have cramping sore breasts as if my period was coming but it doesn't seem to be coming.. any siggeations?