Help?

So today is 3 days past my period and 3 days of brown spotting when I wipe. I’ve had 3 evaps(what I’ve been told from asking). Yesterday smells started bothering me more than usual and I gagged a few times. This morning I felt nauseous, but didn’t vomit and it eventually went away. What do you all think? Is this AF trying to start? Am I still in this for a BFP or am I out? Any advice?