Hi ladies! So I checked my cervix this morning to find my cm tinted light brown. I believe I am only 6DPO confirmed with OPK and temping. Do you think it's IB?

Here's my menstrual story:

I've been on a 23 day cycle since getting off BCP. However last month the day I expected AF, all I got was brown spotting and light pink spotting(I usually spot for 1-2 days only) for 4 days before AF full flow finally showed. So that made my last menstrual cycle 27 days instead of 23 days....thats if I do not count the spotting as start of my cycle.

If I counted the spotting as the start of my cycle, today would be CD23 and this brown tinge cm could mean AF is imminent.

I've understand that full flow should be considered CD1 HOWEVER my NP told me last month that any kind of spotting is considered bleeding and to count that as CD1. This is why I'm so confused!!!

What do you ladies think? Please share some insight. Thank you!!!