could I be pregnant

hi how Is everyone ok my period came last month on the 7 or 6 today is Friday well last Friday me and my boyfriend had unprotected sex with him letting lose in me by the next morning I started cramping it stoped then Monday I woke up cramping and had one spot of blood then nothing else bt I continue to cramp its in n out my next should be I think on the 7th idk know how everything go and I'm really scared is it to early to kno and the Friday before we had sex unprotected sex we had unprotected sex than bt he didn't let go in me please some one help me