I  ovulated on December 30th my HF days where the 25-29 not including my O day i had sex the 25,26,27 and 3 dpo i spotted brown and it turned pink only when i wiped. At 5 dpo i was bleeding during sex it was bright red and quite a bit i had only a little bit of the red spotting continue for a couple hours not more than a few drops. My period iss not due till the 13th of January 2013 i think it might be implantation not sure but i hope someone help please!