Do your OPKs get as dark as the control line when you ovulate?

Sarah • Proud Mommy to my beautiful Aleigh and miracle baby Aria. 🌈 😍 Angel Mama. 👼🏻
I have literally been tracking with Wondfo OPKs for 3 weeks now because I have no idea what is going on. This is the darkest my line ever got. It has gotten progressively lighter since that day to the point where there is barely a line today. After doing research it seems that some women's OPKs never get as dark as the control line, is this true?

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