im 26 years old, i have regular and stable period. On December 8, 2012 supposedly it's my monthly period, then on December 17,2012 me and my boyfriend had unprotected sex, he withdrawn it. On January 8, 2014 i missed my period it is almost 3 weeks delayed now, what should i do???i'm afraid to tell my parents about my situation, is it possible i am pregnant??i experiencing my boobs quite a little bit heavy and my stomach i cant explain the ache, please help me. . .