Originally Posted by
atomic sagebrush
I know it's hard to believe but the patterns of OPK are really not very informative as to what's happening.
It's both normal to have 3-4 days of positive, and equaly normal to have one day. It's also normal to sometimes have one pattern and other times another. There's nothing hinky about any of that, just operate under the assumption that you'll most likely O about an average of 36 hours after the first positive, not the darkest, but keep in mind that that isn't aways set in stone, either.