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Re: 2 positive then 2 negative tests

From: William McIntosh, MD (anonymous@obgyn.net)
Wed, 8 Aug 2001 08:19:02 -0500 (CDT)


At Tue, 7 Aug 2001, anonymous wrote: >
>I've searched the forum and have seen women with faint positives that
>later became negatives, but I figure those were so faint as to be
>ambiguous. However I had two clear positive tests with first morning
>urine— firs the day of my missed period (CD28) and one the day following
>(First Response, clear pink line within 1 minute), then Clear Blue Easy
>(dark blue line in 3 minutes). But when I went to the doctor 2 days
>later, their test showed negative (mid day urine) I took the second
>First Response test I had left the day after the doctor visit with first
>morning urine, and I too got a definate negative.
>
>How can this be? If I were to be going to have an early miscarriage
>would the hcg disappear so quickly? Or is it possible that I didn't
>ovulate when I thought (day 13), even though I've had sustained high
>temps since then, and that I may actually have had delayed ovulation
>with a LH Surge on day 28-29 that coincidentally cross reacted with the
>pregnancy tests?
>
>I have never had an experience with my three children in which I wasn't
>pregnant when I got a positive test. However with both of my last
>births, I didn't test positive until a week late for my period.
>
>I'm not so much worried that I"m not pregnant, but rather that it could
>indicate a problem.
>
>I am currently on Day 17 of high temps with 4 days of nausea, no other
>symptoms, premenstrual or otherwise.
>
>Thank you for this excellent forum. I find almost any question I might
>have on women's health issues answered here.

Both you and Megan most likely had what is called a chemical pregnancy, a pregnancy that is so short that there is only enough HCG to be detected by very sensitive tests (which most all of the OTC tests are these days) and only for a very brief time. These happen a lot more often than we knew about a few years ago.

--
William D. McIntosh, MD, FACOG

This is for educational purposes only, and is not a substitute for consultation and examination by a licensed medical professional.






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