iv been trying for a baby, and last week i went to the toilet for a "wee about 8,9 times a day, i went to the doctors and they tuk pregnancy test and it came bk negative, i was due on my period 2days ago, i came on a day late.. but all night bled only brown blood? but then this morning i went toilet and had severe diareah and then out came red blood? but its not heavy its really weird? but im getting stomach cramping.. lower back pain, im going off certain foods and then like them again? iv had no period signs as in spots or severe period pains, jus this cramping in my stomach.. although i do feel really weak? could i be pregnant but bleeding? first 2 days of my period are usually really heavy and this has never happend 2 me before??? someone please help!!!