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First time using OPKs! Please help

Allie • Sun, May 08

Hey all! This is my first time using OPKs and I was hoping for some help. Glow doesn't have my peak fertility till 5/14 at CD 18 but this opk looks positive to me at 5/8 CD 12.. What do you all think? I was not expecting it to be dark at all when I took it!

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First time using OPKs! Please help

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