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Question

Trying to understand OPKs

Got a positive on March 19; I don't BBT but checked my temp around 10 that night because I wasn't feeling good and it was 99 (I usually run between 96.8-97.6). Got a strong positive on March 20-21 (didn't check temp and was supposed to O on the 21st). Took another OPK last night before going to bed and it was another strong positive. I just don't understand why it's still positive 4 days later. Anyone know why or are they just a bad batch of tests?

Poll:
Bad batch of strips (0 votes)
Don't know (0 votes)
Late O (0 votes)


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1 Answer • 7 years ago


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Four possible reasons:

1. It is also possible that your body is "gearing up" to ovulate, and you have an LH surge-- and then, for some reason (such as stress, illness, travel, or random fluke), your body fails to release an egg then tries, tries again ASAP with another, or overlapping, surge.

2. A standard ovulation test (OPK) is unable to distinguish between LH and hCG in your urine. Therefore, if you have enough of either of the two hormones (LH or hCG) in your urine at the time you test using an OPK, you will get a positive result on the OPK. But OPK’s can’t detect hCG until it is at a pretty high level so that would mean you conceived last cycle.

3. OPKs do not function reliably when injectable fertility drugs such as Pergonal or the hormone hCG (e.g., Profasi) are present in the system.

4. Some women in their 40s, especially those approaching menopause, have increased levels of LH in their systems at all times, rendering the tests invalid.

7 years ago


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