While i was to have my period on thanksgiving day. The month before it came october 30th, My husband and i have unpertected sex for years and i havent got pregant. i have one son 7. This month i period came a week and half earily. It was really heavey and clots. It countinued for about 2.5 weeks. the bleeding has stoped thank god but my belly pain is really bad. People i talk to said it could of been a miscarriage is that ture how do i know.