3 days of positive OPKs?! Pic included❕

So CD 33 was the darkest should I consider that as my positive opk? I NEVER get more than 12 hours of positive OPKs so I'm sorry I'm sorry I'm just alittle confused. I had a miscarriage November 2nd and TTC for 16 months I'm not sure if that relavent or not.
PS idk what the blue line is on the last one lol 

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