Which one is the most positive??

Jordan • Had our first on April 13, 2016 and she's my everything
These are ovulation testes from this past week CD 12-17 I have one more day to test but I am taking fertility meds (Clomid) and I do a blood test 7 days after my most positive ovulation day... I can't tell.. HELP! All were takin first thing in the morning... The bottom one is from 1/28 in the evening 

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