I ended my period on march 31 and I had sex on April 1st and it was unprotected but I dont think he came inside me. I count my period and it was suppose to come on april 20th but it has not came. I dont know what to do.I am not sick, no bitter taste, sore to the touch breast. I have been stress over school, but not that much,can i be pregnant by having sex one day after.. I have look at alot of sight but i get so many answers. I am not ready