Period and pregnancy

Gabby
Ok I had my period the 9th - the 13th then I had sex on the 14 and had no protection and he came inside of me , then on the 18 I had sex again but that time I took plan b , I had my period again  on the 23rd - the 27 and then I've been having unprotected sex , if I come out pregnant when was the day I Conceived ?