FF first indicated that based on my cycles it would be cd 11 and based on pains and cm I believe it was right. After putting in the temps and opk results, FF didn't confirm it on cd11, but on cd 15. My opk on cd 11 was in the am because I was new at it. It was positve Thurs and Fri. Is it possible that I missed the surge and it was on cd11? What do you think? The temps seem to confirm it as well. Is it possible to have a positive opk after o? Thanks!

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