Please someone help!?!?

Sierra
I have been taking ovulation test started on the 17 after I had light spotting for 3 days (brownish/red) I got my first positive on the 20th and yes I am still testing because I have a very positive lines for 6 days now glow says my AF suppose to come yesterday no sign of her and took prep test got BFN. Any ideas. 
This was today's ovulation test.  

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