I am never late! I get my period like clockwork! I looked over my cycles sinc last september and they all range from 26-28 days. My husband and I are trying to have a baby. I am now 6 days late, day 33 of my cycle. I have taken pregnancy tests, all came back negative. I know they say sometimes your body does not produce enough of the hormone to be deteced right away. I just had a small amount of dark brown spotting today. Only noticed it when I went to the bathroom, not on my underwear. Could this be my period? Implantation bleeding? Is there a chance I am pregnant?