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Doctor insights on: How Long Do You Fast For Pregnancy Glucose Testing

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How long do you have to fast for an elevated fasting glucose test?

How long do you have to fast for an elevated fasting glucose test?

8-10 Hrs: I ask my patients to fast 8-10 hours, minimum. Please take your meds on schedule (except dm meds - ask your dr), and get plenty of water, so your veins are full.. ...Read more

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Dr. Darrin Cunningham
4 doctors shared insights

Pregnancy (Definition)

When your due date arrives, you will be more than ready to have your baby! Most women deliver the baby somewhere between 37 and 42 weeks. According to the American College of Obstetricians and Gynecologists, only 5% of babies arrive on the exact due date. Approximately 7% of babies are not delivered by 42 weeks, and when that happens, it is referred to ...Read more


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How long do you have to fast for a hemoglobin A1c test?

How long do you have to fast for a hemoglobin A1c test?

Hgb A-1-c: Does not require fasting. It reflects blood sugar control over time. The fast is usually for the blood sugar or lipid profiles drawn at the same time. ...Read more

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How to tell if I have fast for 14 hours before a cholesterol test?

How to tell if I have fast for 14 hours before a cholesterol test?

Yes: Yes yes yes, you want to have no food. You can have water if you want. That wont affect the results. Good luck. ...Read more

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How long does it take for test results to confirm h1n1 flu?

How long does it take for test results to confirm h1n1 flu?

A week or so: In my area, it takes at least a week to confirm h1n1 or similar variant influenza strains. This kind of testing is rarely indicated because of that time frame, and if you have a positive flu test at this time of year, it is likely one of the novel forms of flu, though those are very rare. ...Read more

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How long do you have to fast for a blood test checking for things that acutane effects like triglycerides and cholesterol?

How long do you have to fast for a blood test checking for things that acutane effects like triglycerides and cholesterol?

Fast for 12 hours: Accutane is used to treat acne which is severe and unresponsive to conventional therapies. While it is quite effective, Accutane has numerous side effects. It has been shown to cause transient increases in cholesterol and triglyceride levels which in turn increases one's risk of heart disease, high blood pressure, and more. It is important to check these levels regularly following a 12 hour fast. ...Read more

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How long is urine good for a drug test .and how do they test it?

How long is urine good for a drug test .and how do they test it?

Drug test: Once a specimen is collected and placed in a container there is no time limit. It can be done with a rapid read cup that can be read in 5 min but these have occasional false positives and negatives. It can be further tested with gas or liquid chromatography and mass spectrometry which are mush better and are nearly never wrong ...Read more

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How long you should wait to take a pregnancy test to get accurate results?

How long you should wait to take a pregnancy test to get accurate results?

1 week late: Home pregnancy tests generally become positive when you're about 1 week late with respect to your period. If it's negative, repeat in 1 week. ...Read more

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How do you test for diabetic complications?

How do you test for diabetic complications?

Variety: Check for the kidney funciton and how much of protien you are losing in the urine. Dilate the eyes and check the retina and make sure there is no bleeding. Check the sensation in the feet and legs and make sure that ther nerves are still functioning. ...Read more

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How long does it take to get A1c blood test results for diabetes?

How long does it take to get A1c blood test results for diabetes?

About an hour: Point of care test may be available in a matter of minutes. Test done in the main lab takes about and hour. However, it usually takes longer for the results to get back to the ordering doctor due to time taken for blood collection, transportation to the lab, processing in the lab, recording of results. Retesting in a limited number of cases etc. ...Read more

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Please tell me how long it takes for to get blood test results for diabetes?

Please tell me how long it takes for to get blood test results for diabetes?

By the next day: A fingerstick glucose level is immediate. Results from tests such as a HGB a1c return overnight. ...Read more

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Do you need to fast for a microalbuminuria test?

Do you need to fast for a microalbuminuria test?

No: Microalbuminuria is the presence of small amounts of protein in the urine, usually too small to note on a dipstick test. A trace amount of protein can be normal, but usually there is none. The most common cause of m is diabetes mellitus; it usually indicates that the dm has started to affect your kidneys. Once this happens, take things more seriously: talk with your pcp and consider endocrinology. ...Read more

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How long do you wait to take a pregnancy test to be positive?

How long do you wait to take a pregnancy test to be positive?

Anytime you like: Home pregnancy tests are very accurate. They are the same tests used in a doctors office. They can detect a pregnancy 7-10 days after conception. The best time to take one is when you miss your period. If you doubt the result you can repeat it in 1-2 days. If you were pregnant the hormone level would rise enough for detection. ...Read more

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How can I get home diagnostic kits to test for diabetes?

Many: While they don't diagnose diabetes, there are many glucose monitoring meters and strips available in your local drug store. If your sugar tests higher than normal fasting (less than 104) or more than 200 at any time of the day, you need to be checked for diabetes or at least pre diabetes. Get a head start by diet, exercise and weight loss now. Don't wait. There are also a1c test kits available. ...Read more

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I am having bloodwork done, need to know how long they can detect blood alcohol levels?

That depends on how: Much you had to drink (& other variables). The median rate of bac is a drop of 15 milligrams per cent per hour. You will need to do the math. ...Read more

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My wife is 12 weeks into pregnancy. She just done 2 hr glucose test & the result is 3.7 during fast and 8.3 after 2 hours.she is 30yrs old.

My wife is 12 weeks into pregnancy. She just done 2 hr glucose test & the result is 3.7 during fast and 8.3 after 2 hours.she is 30yrs old.

Glucose test: If your wife has not been told by her doctor that the blood sugars are OK she needs to call her/him to find out. If it turns out she has diabetes and is pregnant she can still have the baby with careful control of diabetes. ...Read more

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Is 140 glucose level in pregnancy high after 2 hours?

Is 140 glucose level in pregnancy high after 2 hours?

Gestational DM??: If you currently have gestational dm, which is implied based on the fact that you are checking 2 hour post-prandial blood sugars, then this value is high - talk to your doctor. ...Read more

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How to cure 170 glucose clearance test 1 hour later. Is this serious concern in 15 week pregnancy?

How to cure 170 glucose clearance test 1 hour later. Is this serious concern in 15 week pregnancy?

Maybe: Pregnancy related diabetes (or sugar regulation) cannot be "cured" but it can be effectively managed during pregnancy. There are over 150 complications of pregnancy associated with diabetes in pregnancy so it is well worth while controlling. ...Read more

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15week pregnancy. Glucose clearance test shows 102 mg and after having 50mg glucose 1 hour result 171 mg.Pls tell is this normal or abnormal? Cure please

Abnl test: You have some mild elevation in base line glucose and high 1 hr test. That means you will need to have the longer 3 hr test and may have some glucose intolerance. You will need to see a dietician and cut down on carbs particularly too much bread, rice, potatoes and junk food. ...Read more

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My 1 hour pregnancy glucose screening was a 139 , I'm 32 weeks is that too high?

My 1 hour pregnancy glucose screening was a 139 , I'm 32 weeks is that too high?

Borderline: It should be under 140 and many physicians would feel this is early gestational diabetes- check with your OB. ...Read more

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How much time does the glucose test during pregnancy take?

1-3 hrs: 1 hour for the glucose screening-and 3 hrs for glucose tolerance (if u fail the 1hr screen) ...Read more

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What specific foods can I eat before glucose test during pregnancy?

FASTING: To get accurate result of glucose, you should be fasting before blood test. Just eat regular food. ...Read more

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What should be the result of glucose fasting test during 9 weeks pregnancy?

Family practice : They usually perform a 2 hr post prandial glucose test to determine gestational diabetes. If elevated you will be put on a strict diet and rarely Insulin if sugars remain too high. ...Read more

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When do you get a glucose screening in pregnancy?

When do you get a glucose screening in pregnancy?

Early and/or late: A screening for gestational diabetes may be recommended and performed at your first prenatal visit if you are at high risk for diabetes...and repeated again later; for pregnant women who are not at high risk for GDM, the "glucose screening" is usually done between 24 and 28 weeks of pregnancy. ...Read more

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Glucose and vitamin C terminate pregnancy?

Glucose and vitamin C terminate pregnancy?

The massive doses of: Vitamin c used to terminate a pregnancy would also be toxic to the mother. This is not safe and should not be attempted. ...Read more

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My fasting plasma glucose 162, 1hour post glucose 271, 2 hour post glucose 261, 31 weeks of pregnancy gdm detectd?

Yes!: Yes you most certainly have impaired glucose metabolism and gestational diabetes. This requires prescription medication, strict diet modification and exercise asap to prevent pregnancy complications. Good luck. ...Read more

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Can a three hour glucose tolerance test be wrong in pregnancy?

Can a three hour glucose tolerance test be wrong in pregnancy?

Accurate: It's an accurate test but mistakes happen. If you don't believe in the test result, i wouldn't do the same test again. There are other ways to diagnose diabetes such as fasting sugar or the a1c. If these tests are also positive, then i would accept the result and start treatment. ...Read more

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My ogtt results in the 24th pregnancy week showed: fasting 78mg/dl; 75g glucose, after 1 hour: 97mg/dl, after 2 hours: 154mg/dl. Is it a lab error?

Probably not: Why would you think this a lab error? You need to be followed carefully and the test repeated during the remainder of the pregnancy and after you have delivered. ...Read more

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Only one high blood sugar following a glucose test during pregnancy. What does that mean?

Depends: If you did the one-hour test, it means you need to do the definitive 3 hour test. If it was one elevation on the 3 hour test, then you are not a gestational diabetic (unless your one was a really elevated fasting glucose). It is a good idea to watch your diet and carbs if you had one elevation tho. ...Read more

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What is a low blood glucose level after a one-hour glucose test during pregnancy?

THere are none: There are no low glucose levels with pregnancy gtt, only good normal levels. Hypoglycemaa doesn't occur in human beings who aren't receiving treatment for diabetes or have end stage cancer, liver or kidney failure, etc. Particularly in pregnancy, glucose normal levels are much lower than non-pregnancy, a lower number is an excellent sign, . ...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


Dr. Cayce Jehaimi
2,605 doctors shared insights

Glucose (Definition)

Glucose is the basic sugar molecule and the source of energy throughout the living kingdom. We are programmed to easily detect it by taste in our foods as it is desirable but can be overdone with the modern diet. It gets out of control ...Read more