No, there are multiple studies showing that normal glucose levels during pregnancy are significantly lower than they are in non-pregnant individuals. The one study you're referring to, AmandaMamma, is a meta-analysis. A meta-analysis is a study that takes the results of multiple studies and draws conclusions based on those. The numbers cited by the PP are definitely wrong. No non-diabetic person's blood sugar should regularly reach 140 at the one hour postprandial mark, even when they aren't pregnant, but most especially when they are. It's not outside the norm to have the occasional 140 at one hour after a meal, but to do it regularly is a sign that there is a problem with blood sugar regulation. I can also link to information on what is normal in the non-pregnant state, and those numbers should be higher than what's normal during pregnancy, because the increased blood volume of pregnancy results in lower blood glucose numbers, but I feel like we're getting a little off topic for the OP to turn this into a GD discussion. (But over 120 at 2 hour pp is also not normal for non-pregnant people. The ADA has been roundly criticized by pretty much everyone for suggesting that 140 at 2 hours pp is even remotely normal.)
If you follow the link I posted, you will find the link to the article from the magazine. There you will find this quote:
Despite the variations in methodology and settings, there was some consistency in the results. Pooling the results, the weighted average glucose values (± 1 SD) were 71 ± 8 mg/dL fasting, 109 ± 13 mg/dL at 1-h postprandial, and 99 ± 10 mg/dL at 2-h postprandial.
So no matter how you slice it up (where you test, how you test, when you test), these are the results they get from non-diabetic women. Here's the link for that article: http://care.diabetesjournals.org/content/34/10/2331.full
Then you can look at the first citation, which will take you to the study. In the study, you will read this:
That's twelve, not one. Here's the link: http://care.diabetesjournals.org/content/34/7/1660.full?ijkey=fae7b0055d9b45230d6982a48f00f541a5c98037&keytype2=tf_ipsecsha
There's just literally no evidence at all to suggest that 140 is a normal 1 hour PP blood sugar for a pregnant woman.
Also, I forgot to address the whole issue of ketones on a low carb diet. If the only way a woman can maintain normal glucose levels is to eat such a low carb diet that she goes into ketosis, many providers will recommend eating more carbs and taking medication to reduce insulin resistance or using insulin. That way blood sugar is normal and ketones aren't being produced. It's not an either/or thing with GD. You don't have choose between ketones and high blood sugar. You can have neither. What each woman is comfortable with will vary (so some women will want to choose one or the other), but it is simply not true that we have to weigh the risks of high blood sugar against the risks of ketones, since you can manage GD without having either of those things.
I'm sorry I keep editing, but I was trying to find a way to include the information I thought was necessary and relevant without completely derailing the thread. I'm pretty sure I haven't succeeded at all, but I just think this is such an important topic that it's hard to condense it.
Edited by Plummeting - 5/31/12 at 5:07pm