The not knowing...

Lu
Today I have had tiny amount of spotting, hot flushes and a bit of a bad tummy. Also having a weird twinge/achey feeling in my lower tummy, which comes and goes. I had a horrible cold last week too and have googled it, which says it could also be a sign! 
It's about 8DPO (I think! All my opk's came back negative anyway!) and can't take a test for a week really... Killing meeee!