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Doctor insights on: What Is A Glucose Tolerance Test For Gestational Diabetes

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Why do you need to get a glucose tolerance test if you tested positive for gestational diabetes?

Why do you need to get a glucose tolerance test if you tested positive for gestational diabetes?

To rule out diabetes: Women with gestational diabetes are more prone to developing diabetes after the pregnancy. Glucose tolerance test allows the doctor to asses resistance to Insulin and diagnose diabetes. ...Read more

Tolerance (Definition)

When one takes a drug, such as heroin or alcohol, repeatedly, 'tolerance' develops because more of the drug is needed to give the same effect on the body/brain; e.g. Liver enzymes r stimulated to metabolize the drug faster and faster. There may be a strong genetic predisposition to addiction, some studies suggesting that 1 of 10 people will become dependent on alcohol or some ...Read more


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Due to an eating disorder, I don't want to take the glucose tolerance test for gestational diabetes -50 g of sugar/ 200 calories. Any other options?

Due to an eating disorder, I don't want to take the glucose tolerance test for gestational diabetes -50 g of sugar/ 200 calories. Any other options?

Eating disorder: Let your doctor know your illness and get help so you will get better and give birth to a healthy child. You and the infant need you to be well. ...Read more

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Does everyone need a 3 hour glucose tolerace test for gestational diabetes?

Does everyone need a 3 hour glucose tolerace test for gestational diabetes?

Newer recommendation: Is that non-diabetic pregnant women undergo a 2-hour 75-gram oral glucose tolerance test at 24-28 weeks of gestation. Women should be fasting for this test, and a fasting glucose level should be included. If any one of the following values are abnormal, you have gestational diabetes: fasting at 92 or above (mg/dl), one-hour at 180 or above, two-hour at 153 or above. ...Read more

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Impaired glucose tolerance or gestational diabetes, what's the difference?

Impaired glucose tolerance or gestational diabetes, what's the difference?

Gestational diabetes: Is overt diabetes (hga1c 6.5 or higher, FBS 126 or more, post-prandial sugar > 200 anytime during pregnancy pre-diabetes id hga1c 5.7-6.4, FBS 100-125, ppg 140-199 2 hrs after eating, anytime, pregnant or not. ...Read more

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Impaired glucose tolerance or gestational diabetes, what's the relationship?

Impaired glucose tolerance or gestational diabetes, what's the relationship?

IGT and GDM: Hi. Impaired glucose tolerance (IGT) and gestational diabetes (GDM) both increase the risk of subsequent development of type 2 diabetes to pretty similar degrees. Both are indications for regular monitoring for the subsequent development of diabetes. Both are strong indications to adopt a healthy lifestyle (eat healthily and exercise regularly for life). ...Read more

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Whats the 3 hr glucose test for gestational diabetes?

Whats the 3 hr glucose test for gestational diabetes?

A Drink/Bloodwork: Some obs do this at their office, or you go to a lab. The test is done first thing in the morning after you have not eaten overnight. They draw your blood to check the "fasting" (pre-breakfast) blood sugar, then you drink a bottle of liquid with 75 grams of sugar. Blood is drawn at 1, 2, and 3 hours after the drink. If 2 of 4 levels are elevated then you'll be diagnosed with gestational diabetes. ...Read more

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Are there side effects during the 1-hr glucose challenge test for gestational diabetes?

Are there side effects during the 1-hr glucose challenge test for gestational diabetes?

No long lasting: Some people feels nauseated, slightly sick but no long lasting effects. ...Read more

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My doctor wants me to have a glucose test but I never had gestational diabetes. Is it necessary?

My doctor wants me to have a glucose test but I never had gestational diabetes. Is it necessary?

Your doc knows you: Your doctor has way more information about you than we do. He is in a much better position to answer this question. Lots of things go into the decision besides your personal history of gestational diabetes. Weight, age, family history, other blood tests, you physical exam etc. Trust your doc or find a doc you trust. ...Read more

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My doctor has made a big deal and classified me with gestational diabetes, but I didn't fail the glucose test I was just really close. Why?

My doctor has made a big deal and classified me with gestational diabetes, but I didn't fail the glucose test I was just really close. Why?

Pregnancy & Diabetes: Pregnancy has way of altering glucose metabolism and Insulin sensitivity made worse as the pregnancy progresses. You may not have gotten an "f" on the test but you may have gotten a "d" which can affect your fetus. Please heed your OB md's advice. ...Read more

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What are oral glucose test alternatives for gestational diabetes?

Not sure: What you're asking. The limited GTT is the gold standard for detecting gestational diabetes. Elevated blood sugars through other testing are also potentially useful, but some sort of testing is essential. ...Read more

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3hr glucose test. Hour 1 and 2 were high. Do I have gestational diabetes?

Yes: Gestational diabetes is defined by 2 of the test values being high on the 3 hour gtt. Your doctor will help you come up with a regimen for checking your blood sugar and modifying your diet. ...Read more

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Normal glucose test. Can eating lots of sugar (cookies) and carbs in 3 days reverse normalcy and cause gestational diabetes? 108 glucose 19.6 BMI 25w

Normal glucose test. Can eating lots of sugar (cookies) and carbs in 3 days reverse normalcy and cause gestational diabetes? 108 glucose 19.6 BMI 25w

Short-term sugar OK: Secondary forms of diabetes (not the autoimmune insulin-requiring types), including the gestational type, are caused by cells become desensitized to insulin. This happens when Insulin levels are always high due to high sugar intake. It takes time; pregnancy just adds to the process. Three days of cake or girl scout cookies won't do anything if you weren't already heading that way. ...Read more

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I am currently 36 weeks pregnant, afi 22 cm, baby 6 lbs 15 oz at 33weeks, passed 3 hour glucose test, barely failed one hour, gestational diabetes or.?

I am currently 36 weeks pregnant, afi 22 cm, baby 6 lbs 15 oz at 33weeks, passed 3 hour glucose test, barely failed one hour, gestational diabetes or.?

Big baby: If your baby is symmetrically large, you may just have a big baby. If the abdominal circumference is large in relation to the rest of the baby, talk to your OB about the best method for delivery. ...Read more

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If your glucose screening shows gestational diabetes, what do they do about it and when?

If your glucose screening shows gestational diabetes, what do they do about it and when?

Gestational DM: If the screening is positive, you proceed with the 3 hour test. If that's positive, you treat it right away. Pills or Insulin depends on the degree of abnormalities. ...Read more

Dr. Michael Carson
384 doctors shared insights

Diabetes Onset During Pregnancy (Definition)

Gestation diabetes is diabetes that occurs during pregnancy. This develops when pregnancy hormones change a patient's metabolism so that they can not regulate their blood sugar. A patient with GDM will have to go on a low sugar and low carb diet and monitor blood sugars very carefully. Sometimes they will require medications. There is a 30% chance ...Read more


Blood Sugar (Definition)

The blood sugar concentration or blood glucose level is the amount of glucose (sugar) present in the blood of a human or animal. The body naturally tightly regulates blood glucose levels as a part of metabolic homeostasis. Glucose is the primary source of energy for the body's cells, and blood lipids (in the form of fats and oils) are primarily ...Read more