Can anyone help me. 6 weeks ago i had my period and started the pill. I forgot after a couple of days to take the pill and. Thought i would just start on my next period. A few days later which would have been 1 week since my last period i started heavy bleeding again which i think was a withdrawl bleed from the pill which lasted 4 days. I have found out i am pregnant and i am unsure on whether i am 6 weeks or 5 weeks. Can somebody help or has this happe ed to anyone else