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What day would I have ovulated according to the OPKs?

My OPKs say that my peak 1.07 was on CD 17, on CD 18 at almost 1am it was at 0.86, on CD18 at 3pm it was at 0.72 and now today on CD 19 it says low 0.31. If the peak was my surge, what day would I have ovulated?

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Posted at Mon, Jul 19 2021

The small issue here is you tested on the 14th day of this cycle and then didn't test again for a few days. Ovulation tests work by finding the beginning of your surge. Within 48 hours from that happening is when you will ovulate. You're lh surge could have started in those few days before you tested positive. Because you missed those few days of testing, there's no way of knowing which day you ovulated without knowing when your surge started. 🤷 Sorry!

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Mo • Jul 20, 2021

I did test those days, just didn’t log them, they were both low like all the other days, the 17th is the only day I got the line as dark as the control line

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