I had sex between 25-27 then my period came 3 days later then the next month on the 10 I had sex again then my regular period came about a week later . Then later on in the month don't remember exactly I had a implantation blood meaning the baby was there I guess . But a week beige that I took a pregnancy test it was negative but like two days after the implatatoon bleeding I had a positive pregnancy test my hcg test says 1-3 weeks but there not accurate I was told whose the father ?