Am I pregnant??? Should I take another test???

I had unprotected intercourse on one of my fertile days and did not realize it now I'm starting to get nauseous my stomach feels tights, my boobs are sensitive!! I took a pregnancy test 6 days after and a couple of days before my period there was a very faint line. Also after a few days after I had sex I started spotting!!! It's the second week after should I take another test