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Re: 2 positive then 2 negative testsFrom: 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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