PREGNANCY-BIRTH Messages for March, 2002: Re: 2 positive hpts, negative quantitative blood test

Re: 2 positive hpts, negative quantitative blood test - confused about the results.......

From: Richard Chudacoff, MD, FACOG (anonymous@obgyn.net)
Fri, 29 Mar 2002 14:06:56 -0600 (CST)

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In reply to: Confused: "2 positive hpts, negative quantitative blood test - confused about the results......."

At Thu, 28 Mar 2002, Confused wrote: >
>I took two home pregnancy tests, with positive results. Both tests were
>done exactly as the directions said, and checked within the appropriate
>time limits. My spouse and friend saw the results and agreed they
>appear positive. I had a quantitative blood test and the nurse called
>with the results. She said the test was negative, and when I asked what
>the hcg count was, she replied, "your level was -1". And, then she
>replied anything under 5 was negative. I have always heard that every
>woman has some level of hcg - so how can mine be a negative number???
>And, how can a home test detect hcg when I supposedly have absolutely no
>hcg in my body (according to the blood test). And last, I was taking
>aygestin 5mg to regulate my cycles and stopped before the last cycle
>started (Feb 11 was LMP). Can the aygestin affect my hcg levels? Can
>severe anemia affect any of the results??? Thank you!

There are some hormones in the body that can react with the pregnancy hormone and cause a positive pregnancy test in the urine. The beta-hCG blood test is testing for a specific unit of the pregnancy hormone. I've actually operated on a patient for an ectopic pregnancy, based on a urine test and a mass, only to have the blood test come back normal/negative. "-1"...never heard of it

-- Richard Chudacoff, MD, FACOG Chudacoff Obstetrics & Gynecology, PLLC Sugar Land, TX

Note: opinions expressed here are for educational purposes only and, as such, do not constitute a physician-patient relationship. This information is not intended to supplant the need for you to consult with your physician prior to choosing therapeutic options and/or interventions.

**Private emails cannot be entertained due to time constraints; consequently, they will receive no response.

**Thank you for understanding :).**

Next message: Richard Chudacoff, MD, FACOG: "Re: Placenta Accreta delivery @ 34 weeks/possible indications for?"
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In reply to: Confused: "2 positive hpts, negative quantitative blood test - confused about the results......."

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