hi i have a question i had sex with my boyfriend on December 3,4,5th 2012 we broke up and i had sex with my ex boyfriend (protected) December 10th 2012 i ovulated December 5th thought i might have been pregnant so i took a test and got a negative i got my period December 23rd 2012 it was normal. now the big thing here is that i am now pregnant..me and my boyfriend got back together and had sex January 3rd 4th 2013 and i ovulated on the 6th of January 2013 i got a positive test January 19th and i missed my period for january my due date is September 29 2013 is their anyway my ex could be the father?