Do ovulation tests work like HPT? (See description)

Kayla

Do ovulation tests work like Home pregnancy tests? As in the line will get darker closer to your fertile/most fertile day just like when you get a faint line on a pregnancy test, it should get darker with time? I understand both lines need to be as dark as each other for ovulation tests, but do they get darker as the week goes on? Hope that makes sense lol

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