16 and pregnant?

My boyfriend and I had sex on New Years (9 days ago). We used a condom and we always use the pullout method also. He pulled out and came but a week later I found a piece of the condom (which broke) in me. He said he didn't start to come until he pulled out. Could I possibly be pregnant? Should I be worried ? I have no access to a test and can't talk to my mother about it. Please help