Hi I'm 19, and I think I might be pregnant.. my last period was on jan 15 and it ended on the 22. A week before I got my period witch was the 8th my boyfriend and I had unprotected sex and sex he ejaculated inside.. my body has been feeling different and I've been having right abdominal pain.. when I touch and put pressure on that side I feel something I never felt before and I'm worried.. could I be pregnant.. I was suppose to had my period on the 14-15 and my period has never been late I mean ever.. can I be pregnant??