Testing OPKS daily could show you when youve ovulated?

[Kristenann]

Question: Could taking OPKS daily show you when youve ovulated and when your fertile period is up? So say for example you get a postive OPK on day 14 and retest day 15,16 etc... Would a negative reading be an indicator ovulation has occured and is over? Hope i make sense. Thanks.

[ksmom]

No you can get a pos opk and end up not ovulating.

[atomic sagebrush]

No, unfortunately not, you can get both false positives and false negatives with OPK and additionally, you cannot tell when you ovulated on the basis of when your OPK go negative. Your test can go negative right after you surge and you still won't O for hours/1-2 days OR you can have positives for days in a row even after you have ovulated.

In other words, OPK suck but they're all we got!