I need help determining positive opk from Wondfo dip strips
Hello!! I've been using Wondfo (Internet cheapies) opk's for the last 3 months to save money but I am having a hard time telling what would be positive. 
I just took this now with 2nd morning urine and it's definitely a lot darker than the last 3 days (super light line) but it's not EXACTLY the same color as the control line.
Anyone know if this would count as positive? Thanks in advance for the insights! FYI I am on CD13 and this us month 7 of TTC my first. :)
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