I had unprotected sex last week at around this time (2:00am) and then took plan be less than 12 hours later , so here I am a week later with back pain , bloated /sore stomach and spotting , I ve been so nervous that I may be pregnant , my period is usually out of whack so I m not too sure when I was supposed to get it , I ve taken 3 pregnancy tests and they all came out negative