Possible Gestational Diabetes Misdiagnosis

Answered on August 19, 2014
Created May 11, 2012 at 5:13 AM

Despite knowing better, I was pressured into taking the 2hr glucose tolerance test. I failed. Miserably. The test was 75gm Glucola and at 1hr my sugars were 208 and 2hr they were 193. Oops. Since then I have found a few studies that show low carb diets tend to increase the rate of failure of the OGTT in individuals who would otherwise pass if they were consuming a higher-carb diet. I have been asked to test my sugars for 2 weeks, while keeping a food log, and if everything is fine, they would reverse the diagnosis. My levels 1h after eating have been great, with most all in the 80-90s range. Unfortunately, today I worked late and was feeling hungry and tired, so I stopped for Pho and salad rolls. Big mistake.

My 1hr glucose was 180! 90 minute reading was down to 96 and 2hr was down to 89.

Now I feel like my appointment tomorrow is going to be a big battle. How normal is it for someone without diabetes to have a spike that high? It seems that the levels returned to normal pretty quick, without any reactive hypoglycemia, but I honestly don't know much about diabetes.

Edited: Meeting with the midwife and perinatologist today was interesting. They don't think I have GD (DUH) but aren't willing to remove the diagnosis. The dietician didn't know what to say either other than to "eat more carbs." Lame. So in agreement, I have two weeks to increase my carb intake and re-take the OGTT so that I can pass and have a waterbirth. I'm meticulously planning on how to do this through fruits and a little brown rice. Not ideal, but two weeks won't kill me, and then I can go back to normal dieting. I hate being their experiment, but they admit they haven't ever dealt with this before. Hopefully I can save someone else this grief later on.

Also, I have many of the (peer-reviewed) articles on low-carb dieting and propensity to fail an OGTT, if anyone wants them. Go in armed with research before being bullied into the test! There are alternate solutions.

Thanks for all the helpful answers!

Final edit: I ate like crap for the last week and a half as per doctors orders. My old friends Ben and Jerry visited a few times and I have felt so crummy. My body is bloated, my head has been congested, my GI tract is angry, and my eczema is flaring up for the first time in a while. I took a second 75gm OGTT this morning, and passed with flying colors. My 1 hour reading was 147 (cutoff 180 mg/dl) and my 2 hour reading was 127 (cutoff 153mg/dl). I don't know whether to be happy about passing or mad that I had to eat crap for the last couple of weeks just to get this diagnosis taken away.



on September 07, 2013
at 01:28 AM

Hi Roni - I know this is an old post but I am in a similar situation and was wondering if you still the peer review articles as I am quite interested in discussing this further with my obstetrician? Thanks



on May 23, 2012
at 04:13 PM

I don't think the GD was "reversed," but that I never technically had diabetes to begin with. I only failed the test because of my diet. The test isn't a one size fits all, but they attempt to make everyone conform to their standards. They will, however, reverse the diagnosis which means a lot more than just the ability to have a water-birth, but also less interventions along the way, less pressure to induce, and less people with their hands in the pot.



on May 23, 2012
at 01:30 PM

Supposedly, GD is reversible in many. Ask your doc about this.



on May 12, 2012
at 04:44 PM

That is, in fact, super lame! Thanks for sharing - I'll file it away as future advice. I hope everything works out. :-)



on May 12, 2012
at 03:32 AM

It was a matter of a water-birth. I had originally declined the test, as I was told I could decline any test. I should have offered to do 2 weeks of postprandial glucose readings. Later I was told that as a rule, this hospital does not allow waterbirths for women diagnosed with GD because of possible shoulder dystocia and the baby getting stuck. Because I had declined the test, they couldn't say that I did not have GD, and could not guarantee that I would be able to have a water birth. Lame. I wish I had done all of the research before hand.



on May 11, 2012
at 09:40 PM

May I ask about being "pressured?" What did your doctor? nurse? whoever? say? I'm just curious, having little (none) experience in this type of appointment.



on May 11, 2012
at 02:18 PM

You have physiological insulin resistance because you don't eat enough carbohydrates and are relying too much on fatty acids which block glucose metabolism.

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4 Answers



on May 11, 2012
at 04:30 PM

If, after 2 hours, your numbers were down to 89, your body is reacting normally to the carbs you do ingest.


on May 11, 2012
at 07:05 AM

Chris Kresser has some interesting things to say about GD. Do a search of his podcasts, I'm sure he spoke about it in Episode 7 if that helps, sorry can't find a link just now.

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