my last period was March 19th 2009. I had unprotected sex with my partner on March 28th April 5th April 10-12 and April 18-19. I messed up and had sex with a friend on April 22,2009 who is the father
Your partner is the father! you had sex with another man when your menses is due to come on again, so it wasnt a fertile period. it seem highly unlikely for it to be the other man's child.