Hi me and my boyfriend had unprotected sex i do not remember when tho. on January 8 i got my period it was very very light at first but it was different then other periods it lasted longer then my other periods and i basically missed my date it would of been on the 3rd but my old date was on the 25 so i dont know what to think i been feeling like throwing up when i wake up and when im going to bed and im very tired usually around 2 i dont know if im just scared or i am pregnant please help .