Period question cycle issues test question HELP!

Nicole • Living life naturally! I am a Doula, Wife, Mother & Friend. Trying to conceive our second child. Naturallyborndoula.com
My last period was Oct 15-20.
I'm 18 days late (33 day cycle) and no positive test yet. 
Last month near the time for my period I noticed cervical mucus and took ovulation strip and it was positive!!!!
 That was Nov 17-20 still no period since Oct and no BFP
Anyone use AccuMed strips? I got
Them off amazon the ovulation ones seem to work but not sure about the pregnancy ones.