Confused and anxious

Ch
AF is due tomorrow (15th). On the 13th, I had the tiniest bit of bloody discharge, but only when I wiped twice. I am having cramps, sore breasts, headache, nausea, heightened smell, and fatigue. Tested twice and both BFN. We've been trying for six months for baby #2. Is this just AF about to rear her head or could I be pregnant?