Symptoms and Confused!!! HELP!!!

[Mrs.Copeland]

I am currently 10dpo and i am so confused AF is due in 5 days and I really have sensitive nipples they dont really hurt just more sensitive than normally ,Yellowish Cm, clear Cm with blood w/ some brown 6dpo cramping that night as well as some back pain not a whole lot. Im tired and ill (as my husband calls it) CP is low(but have had a history of having a titled cervix) BFN at 8dpo. Waiting till at least 12dpo to test again, Anyone else every had this and still had a BFP??