Gestational diabetes laboratory findings: Difference between revisions
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__NOTOC__ | __NOTOC__ | ||
{{Gestational diabetes}} | {{Gestational diabetes}} | ||
{{CMG}} | {{CMG}};{{AE}}{{MehdiP}} | ||
For more information regarding GDM laboratory findings please click [[Gestational diabetes diagnostic criteria|here]] | |||
==Overview== | ==Overview== | ||
Generally a test for gestational diabetes is carried out between the 24th and 28th week of pregnancy. If patient is at risk for gestational diabetes (see Risk Factors) he or she could prescribe a glucose test earlier in the pregnancy. | Generally a test for gestational diabetes is carried out between the 24th and 28th week of pregnancy. If patient is at risk for gestational diabetes (see Risk Factors) he or she could prescribe a glucose test earlier in the pregnancy. | ||
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A health care team will check the affected person's blood glucose level. Depending on the mother's risk and her test results, she may have one or more of the following tests. | A health care team will check the affected person's blood glucose level. Depending on the mother's risk and her test results, she may have one or more of the following tests. | ||
* Screening glucose test | |||
* Screening glucose | |||
* Oral glucose tolerance test (OGTT) | * Oral glucose tolerance test (OGTT) | ||
===Screening glucose | ===Screening glucose test=== | ||
There are several tests intended to identify gestational diabetes in pregnant women. | There are several tests intended to identify gestational diabetes in pregnant women. | ||
* The first, called the Screening glucose challenge test, is a preliminary screening test performed between 24-28 weeks. If a woman tests positive during this screening test, the second test, called the Glucose Tolerance Test, may be performed. | * The first, called the Screening glucose challenge test, is a preliminary screening test performed between 24-28 weeks. If a woman tests positive during this screening test, the second test, called the Glucose Tolerance Test, may be performed. | ||
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The Glucose Challenge Screening is now considered to be a standard test performed during the second trimester of pregnancy. | The Glucose Challenge Screening is now considered to be a standard test performed during the second trimester of pregnancy. | ||
===Oral glucose tolerance test=== | ===Oral glucose tolerance test=== | ||
Women who are considered at risk for gestational diabetes are given a screening test called a 50 gram glucose challenge between the 24th and 28th weeks of pregnancy (those with two or more risk factors may be tested earlier). The glucose challenge is performed by giving 50 grams of a glucose drink and then drawing a blood sample one hour later and measuring the level of blood glucose present. Women with a blood sugar level greater than 140 mg/dl may have gestational diabetes, and require a follow up test called a 3-hour oral glucose tolerance test (OGTT). <ref name=niddk>{{cite web | Boyd E. Metzger, M.D., Susan A. Biastre, R.D., L.D.N., C.D.E., Beverly Gardner, R.D., L.D.N., C.D.E. | title =What I need to know about Gestational Diabetes | publisher=National Diabetes Information Clearinghouse | work =National Diabetes Information Clearinghouse | url=http://diabetes.niddk.nih.gov/dm/pubs/gestational/ | year = 2006 | accessdate=2006-11-27}}</ref> | Women who are considered at risk for gestational diabetes are given a screening test called a 50 gram glucose challenge between the 24th and 28th weeks of pregnancy (those with two or more risk factors may be tested earlier). The glucose challenge is performed by giving 50 grams of a glucose drink and then drawing a blood sample one hour later and measuring the level of blood glucose present. Women with a blood sugar level greater than 140 mg/dl may have gestational diabetes, and require a follow up test called a 3-hour oral glucose tolerance test (OGTT). <ref name=niddk>{{cite web | Boyd E. Metzger, M.D., Susan A. Biastre, R.D., L.D.N., C.D.E., Beverly Gardner, R.D., L.D.N., C.D.E. | title =What I need to know about Gestational Diabetes | publisher=National Diabetes Information Clearinghouse | work =National Diabetes Information Clearinghouse | url=http://diabetes.niddk.nih.gov/dm/pubs/gestational/ | year = 2006 | accessdate=2006-11-27}}</ref> | ||
==References== | ==References== | ||
Revision as of 17:00, 5 December 2016
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1];Associate Editor(s)-in-Chief: Seyedmahdi Pahlavani, M.D. [2] For more information regarding GDM laboratory findings please click here
Overview
Generally a test for gestational diabetes is carried out between the 24th and 28th week of pregnancy. If patient is at risk for gestational diabetes (see Risk Factors) he or she could prescribe a glucose test earlier in the pregnancy.
Often, gestational diabetes can be managed through a combination of diet and exercise. If that is not possible, it is treated with insulin(usually 15% need Insulin), in a similar manner to diabetes mellitus.
Laboratory Findings
A health care team will check the affected person's blood glucose level. Depending on the mother's risk and her test results, she may have one or more of the following tests.
- Screening glucose test
- Oral glucose tolerance test (OGTT)
Screening glucose test
There are several tests intended to identify gestational diabetes in pregnant women.
- The first, called the Screening glucose challenge test, is a preliminary screening test performed between 24-28 weeks. If a woman tests positive during this screening test, the second test, called the Glucose Tolerance Test, may be performed.
- The second test, this test will diagnose whether diabetes exists or not by indicating whether or not the body is using glucose (a type of sugar) effectively.
The Glucose Challenge Screening is now considered to be a standard test performed during the second trimester of pregnancy.
Oral glucose tolerance test
Women who are considered at risk for gestational diabetes are given a screening test called a 50 gram glucose challenge between the 24th and 28th weeks of pregnancy (those with two or more risk factors may be tested earlier). The glucose challenge is performed by giving 50 grams of a glucose drink and then drawing a blood sample one hour later and measuring the level of blood glucose present. Women with a blood sugar level greater than 140 mg/dl may have gestational diabetes, and require a follow up test called a 3-hour oral glucose tolerance test (OGTT). [1]
References
- ↑ "What I need to know about Gestational Diabetes". National Diabetes Information Clearinghouse. National Diabetes Information Clearinghouse. 2006. Retrieved 2006-11-27. Text " Boyd E. Metzger, M.D., Susan A. Biastre, R.D., L.D.N., C.D.E., Beverly Gardner, R.D., L.D.N., C.D.E. " ignored (help)