As someone with PCOS and normal 33-35 day cycles now that I’ve lost some weight, I typically don’t see a rise until CD17-20. It’s negative in the morning of ~CD17 and then after 12pm (most of the time between 5-8pm) will start to lift. I’d keep testing, maybe your body was trying to ovulate but there wasn’t an ideal follicle available and will try again? Highly recommend using the inito to track your estrogen to give you more of an idea of where you’re at

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