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    Find out what other moms-to-be are asking. Join in the discussion with Henci Goer, whose expertise is determining what the research tells us best promotes safe, healthy birth. If you would like to contact Henci outside of the Ask Henci forum, send an email to Goersitemail@aol.com.

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    Archived User

    Why are the recommended blood sugar levels of pregnant women and women whom are not pregnant different?

    Henci Goer

    I'm going to paste in a paragraph from What is gestational diabetes

    "Gestational diabetes (GD) simply means elevated blood sugar during pregnancy. To understand it, you must first understand the normal changes in pregnancy metabolism. When you are pregnant, certain hormones make your insulin less effective at transporting glucose, the body’s fuel, out of your bloodstream into your cells. This increases the amount of circulating glucose, making it available to your baby for growth and development. This “insulin resistance” increases as pregnancy advances. As a result, your blood glucose levels after eating rise linearly throughout pregnancy. By the third trimester, you will tend to have higher blood glucose levels after eating than nonpregnant women (hyperglycemia), despite secreting normal and above normal amounts of insulin. During overnight sleep, the excess insulin has a chance to mop up, which causes morning glucose levels to be lower on average than in nonpregnant women (hypoglycemia).

    "In the 1950s, some researchers wondered whether sugar values at the high end of the range for pregnancy would predict the development of diabetes later in life. They tracked a population of women and in 1964, they reported that, yes, it did. The extra stress of pregnancy revealed a woman’s “prediabetic” status. This shouldn’t have surprised anyone, because high-weight women are much more likely to have higher glucose values in pregnancy than average-weight women and to eventually develop diabetes. However, doctors knew diabetes posed grave threats to the unborn baby, so they worried that glucose levels that were high, but not in the diabetic range, might also do harm. This concern launched what eventually became an avalanche of studies that ended by defining a whole new category of pregnancy complication called “gestational diabetes,” although “glucose intolerance of pregnancy” would be a more accurate description."

    The article goes on to explain how doctors came to believe that subdiabetic blood sugar elevations posed a risk and the flaws in the studies and weaknesses in their reasoning. A principle flaw is that high-weight women are both more likely to have elevated blood sugar and big babies and other health problems such as high blood pressure. In other words, high blood sugar is merely a marker for these women, but doctors have confused a symptom with the underlying issue.

    -- Henci   

     

     

     


    All Times America/New_York

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