Infidelity Impregnation by SuPeRnAtUrAlGiRl

Summary: Sam, who is in an established relationship with Dean, cheats on him with another man. After a few weeks of Dean giving him the cold shoulder, Sam realizes that he is pregnant with that other man's baby. Can Sam convince Dean that he wants to be a family and can Dean except this child as his own?
Categories: Slash
Characters: Dean, John, Sam