GraceFace
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- Mar 22, 2011
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Good question. I was finding that I regularly got the opk + on the same day as I O'd (according to my charting) which was really pissing me off as I felt I wasn't getting a warning at all. Then I started doing 2 tests a day 3 days before I was expecting to O and found that I often got a positive very late at night - which meant that in the past, several hours had already gone by the time I tested and I was getting the + more towards the end of the surge.
The day before yesterday I did 3 tests (All smiley face ones) the results I got were:
1330 = Neg 1930 = Neg 2315 = Pos
If I'd just done one a day at 1330 I would have been 14 hours past the beginning of the surge by the time I got it. (incidentally, I did do another one at 1330 the next day and it was still positive and turned negative that night) - It's worth experimenting.
Wonderful info for those looking to use OPK's! I tried them in January and was so confused by the lack of a positive test, but upon further research found that I was going to have to use more than one a day as well. With 3 there is no question that you have found when your surge begins and are better able to time when you should ovulate.