hey everyone had a few bad days on sunday had really bad stomach cramps really bad shooting pains which went on for hour. And then i had a bleed bright red in colour was so scared went hospital and seen doctor who examine me and said cervix closed so looked good.Was told to in the morning for scan and thank god all is ok bleed was from sac ov blood near baby soooo happy. altho im only 6weeks. How do i work out my due date without knowing last AF?