i hope anyone can help.....i have an irregular period but lately i have it every month since june.I've got my period on 10-30-09 and was over 11-6-09 and got a light period on 11-14-09 and finished 11-20-09 and i dont use any contraception.....and today 12-03-09 iam getting mild cramps and again light bleeding ......are these signs of pregnancy!!!!!!!!!!!!! please help