8 DPO - Period due in 6 days HELPP

Could this be IB ? AF is due Christmas... I have been cramping and having lower back pressure which isn’t normal for me at all. I never cramp really.. so I did the Q-Tip check and the first one I did was brown ... the pic below is one clean and one I just checked... the brown CM is back to lighter... I don’t see any when I wipe but I’m nervous. Praying this is it.. we have been trying for awhile now.

Any one ??