hey okay so i had unprotected sex Saturday and my period was due today... it was my first time ever having sex and he came on my bed. but im not 100% sure if im pregnant or not and im only 16 so i cant go to the store and buy a test without my mom being nosey.. any suggestions idk if because it was my first time I was late but I CANNOT be pregnant and if i am idk what im gonna do :(