ok, i have irregular periods, always have. i had unprotected sex with my ex somewhere around the 16th or 23rd of march also. i got my period (a FULL 6 day period) april 13-18. On february 14 almost everyday after me and my current boyfriend had unprotected sex. i took a pregnancy test on may 12, 15, and 17 and they all said NOT PREGNANT. i went to the doctors on may 31st and they said i was pregnant as of june 5/07 i was told i was 5 weeks and 5 days and that i was due january 31/08. do you think i concieved my baby when the doctors said which was april 26th/07 or do you think they can be WEEKS off and i could have concieved march 23rd/07 t my ex? i am currently 6 months and 1 week according to the gest. age which i dont understand. please help.