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A member asked:
I got positive opk this month & after 48 hours it was negative.my qus. is that if i take opk test next month will it be show negative after same time?
A doctor has provided 1 answer
It may: do that each cycle, especially if your periods are mostly regular. The important thing is not how many days, but "when" it first turns positive. OPK does not tell you when you are fertile: it tells you when the signal (LH surge) for ovulation starts, that's when you need to be trying. Number of positive days is unimportant. Good luck.
Answered 11/28/2017
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