random abnormal AF or pregnant?

Can any of you help me in a direction? i am beyond confused, and feel like i am going crazy! Here is my December pattern. Ovulation December 6th

6 DPO to 12 DPO extra discharge, headaches on and off, bloating, mild cramping, bloody noses throughout my days

14 DPO extremely light brownish blood when I wipe, and a few spots on my underwear. Very very little. No blood in toilet, or clots. Nauseas on and off • BFN

15 DPO light blood flow more pink/red. Changed pad every 3 hours, never filled the pad • BFN

16 DPO bleeding is mostly red and still light.

17 DPO no bleeding

18 DPO no bleeding

19 DPO a few spots of pink blood on underwear

20 DPO very light pink blood in my cervical mucus when I wipe.

All BFN, have taken 10 tests. I have mild pregnancy symptoms.