A frothy positive and afterwards neg on opk tryout?

the day before yesterday i took an opk test and the theory test line was very street light. then yesterday, i took one and it was neg. what does this mean? i am going to whip another one today. and we BD last night.
Answers:    it's probably a good belief to take another one today to make sure, good luck!
you can also ask doctors online fo free and find others going through similar situations, try fertilityties.com
devout luck!
For it to be positive it needs to the same shade if not dark...

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