What would you do regarding OPK's

This is my first month TTC. I have been off BCP since October with the frame of mind well if it happens it happens. I did count the days in my cycle and for the most part AF came every 28-29 days. This month AF came CD 33. I am trying OPK's this month. We decided to BD every other night starting CD 10 up until i get my Based on my cycles when do you think i should start testing CD 10 or CO 12? Any help would be appreciated. I am currently on CD 6. Thanks

Re: What would you do regarding OPK's

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Re: What would you do regarding OPK's

Thanks! That's what my gut told me too