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Conception

When's the best time to get pregnant? Use our interactive ovulation calculator to work out when you're most fertile and most likely to conceive.

BBT, OPK and CM madness!!

1 reply

MixedBananas · 31/07/2025 12:55

I am so confused my symptoms do not align with the BBT or FF. I feel I ovulated either on CD 20 / 21st which is later then previous months that were CD 17-19. So I wonder if FF is using previous data to say I ovulated this cycle on CD18.
I had Ovulation Pain on the 20th on my left side for a few hours, a lot of peak fertile CM on the 20th watery and slippery and clear and very stretchy. And then there is a very dark OPKs. But on 19th was negative and peak was 20th and then positive but not as dark was 21st. So I assume the OPKs and my CM are correct and the BBT and FF is skewed?

BBT, OPK and CM madness!!
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MixedBananas · 31/07/2025 20:16

^^

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