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Re: 2 positive then 2 negative tests

From: lorie (anonymous@obgyn.net)
Thu, 9 Aug 2001 08:45:30 -0500 (CDT)


At Wed, 8 Aug 2001, William McIntosh, MD wrote: >
>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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