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A member asked:
Got almost positive opks for day 1 and 2 of testing. got an obvious dark positive opk on day three. do i go by day 1, 2 or 3 to determine the surge?
A doctor has provided 1 answer
Day 3: The darkest OPK indicates the peak of the lh surge. You should ovulate within 24 to 48 hours later.
Answered 2/13/2015
4.6k views
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