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Re: 3 hour GTT (glucose tolerance test)

From: Lynn D. Montgomery, MD (anonymous@obgyn.net)
Wed, 30 Aug 2000 17:58:45 -0500 (CDT)


At Wed, 30 Aug 2000, Ann wrote: >
>Hi:
>
>I posted earlier this week when I found out I had failed my one hour
>test. I had a question then and I have another one now.
>
>Today I took the 3 hour GTT. I drank about 24 oz of water about an hour
>and a half to an hour and forty-five minutes before beginning the first
>blood draw. (the fasting blood draw). Could that skew the results in
>any way? Also, when I went back to take the second blood draw, the
>phlebotomist was 15 minutes late in taking my blood so instead of it
>being an hour after the glucola, it was an hour and fifteen minutes.
>Would that have skewed the data? I went back to take the other two blood
>draws on time from the original start of test time (time from which I
>drank the glucola) so I they were uneventful. Neither girl could give
>me an exact answer re: these two questions although they did both say
>that you cannot drink water after the test has begun. Please advise. By
>the way, the test both came back normal.
>
>Thanks for your input.

Ann, Neither the drinking water or the 15 minute late draw should significantly affect the test... Lynn

--
Lynn D. Montgomery, MD
Director, Maternal-Fetal Medicine
Rocky Mountain Perinatal Center
Missoula, Montana

**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 e-mails cannot be entertained due to time constraints, consequently no private e-mails will receive a response.

**Thank you for your understanding ;-)




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