How long after +OPK do you ovulate?

[Polkadotpea]

Hi ladies,

As title says How long after +OPK do you ovulate?

Mine was positive around 9am with SMU, but my CBFM still says high

Thanks in advance xx

 

[Polkadotpea]

It supposed to happen 12-36 hours after you first +opks

Thank you,

Here are my 3 tests from today, which one would be classed as first positive?

Thanks