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By Mayo Clinic staffThe glucose challenge test is used to screen for gestational diabetes. The test is often done between weeks 24 and 28 of pregnancy, although it can be done earlier if you're at high risk of gestational diabetes due to family history or other factors.
Most women who have gestational diabetes deliver healthy babies. However, without careful management, gestational diabetes can lead to various pregnancy complications, such as excess fetal growth — which may increase the risk of birth injuries or prompt a C-section delivery.
- Jovanovic L. Screening and diagnosis of gestational diabetes mellitus. http://www.uptodate.com/home/index.html. Accessed May 3, 2010.
- Tan PC, et al. The 50-g glucose challenge test and pregnancy outcome in a multiethnic Asian population at high risk for gestational diabetes. International journal of gynecology and obstetrics. 2009;105:50.
- Lamar ME, et al. Jelly beans as an alternative to a fifty-gram glucose beverage for gestational diabetes screening. American Journal of Obstetrics and Gynecology. 1999;181:1154.
- Position statement: Standards of medical care in diabetes — 2010. Diabetes Care. 2010;33:S11.
- What is gestational diabetes? American Diabetes Association. http://www.diabetes.org/gestational-diabetes.jsp. Accessed May 4, 2010.
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