Did I ovulate?

Hi atomic
My FF chart below. It indicates ovulation on Cd18, and I got a strong positive opk on cd 17, but what's different is that my Post O temps are not as high as they are. Usually my pre O temps are well below coverline and post O are well above.
Now I see that my avg Post O temp of 97.3 is the same as pre O.
I'm doing e4d and one attempt at pos Opk. We we are currently at my in-laws place next 2 weeks, and it's a small apt. We really don't want to BD unless we have to. If there is a clear indication that I did O, I'll put a pause on BD at this time.
Your thoughts please!!!
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Yes, it's probable but not certain and thus even though I know it's a PITA I'd have you continue! Sorry!

I would lay 95% that you Oed, though. So if you really can't, at least it's a high likelihood.