Okay so here's the deal me and my fiancee has had intercores many of times before he left to ny & i just turned 18 my mom well she is a bad case.. & would kill me if im pregnant i just want to know if theres a major possiblity that im pregnant i know i could be but im just asking more opinions before i bring it to the table.. lately i've been having bad headaches & a bad upset stomach but im also eating alot more than usual.. & i haven't started my monthly cycle not even a sign of it.. & its time for it.. so please give me opinions should i try to get a pregnancy test? & go to the doctor?