OPK testing and timing

If you test one day around 2:00pm, and it was a negative, (line was there, but not dark enough) but couldn't test again until 5:45pm the next day, instead of 2:00pm and it was another negative, (same outcome), then on the 3rd day you test around 2:45 and it looks like a positive, but you're not quite sure, (not darker than the test line but just about the same, but skinnier) and then test around 6:30pm the same day, just to see, and it's clearly a negative again. Line is much lighter, but still there. Would almost 4 hours make that much of a difference? Do you think they get better results in the afternoon than in the evening? Possible liquid issues? Do you think they "O" already or is it just the time of day they tested? I believe they had "O" cramps yesterday and the day before, I'm not sure. Do some people test better at different times? I guess that's what I'm asking. (Not asking for me of course! ) Thanks!

Re: OPK testing and timing

I was reading on another site how it can vary that much within several hours, how earlier in a day it was negative, then six hours later positive, then the next morning, neg. again - I think it is posisble they had the peak (for the test) in that time.

I don't know - I am using OPKs but I find them very confusing . Good luck to your friend!

Re: OPK testing and timing

I'm really not sure, sorry! That's why I like the digitals because they take the guesswork out!

Re: OPK testing and timing

yes they totally can vary in a few hours. Alos, try not to drink befor you pee as this can impact the result.