it’s been 9 days days since my boyfriend and i had unprotected sex this morning i had period like cramps and i right now my left boob is hurting to bad feels like stinging! this had never happened to me..my period is in 6 days but i get symptoms only the day off and boobs are never a problem ..now one hurts so bad for like 10 mins now it’s done hurting help? could i be pregnant?