HELP!! Cervical Mucus expertise needed!

I am CD 26 on average 30 day cycle, 9DPO.  I had brown light bleeding (only when I wiped) for 2 days straight. That happened on 7DPO & 8DPO.  AF is expected on 12/4. 
I've been having some watery / some slightly thick CM that has a brown tinge to it since then.  I've been having the normal breast pain and twinges and pulls around my uterus like I normally do before AF.  Has anyone ever had this and still got BFP?  I'm worried with the brown tinged CM??? 

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