50 Gram Glucose Challenge
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 for developing gestational diabetes during pregnancy 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. A blood sugar level of less than 140 mg/dl (7.8 mmol/l) at one hour is considered normal. Women with a blood sugar level greater than 140 mg/dl (7.8 mmol/l) may have gestational diabetes during pregnancy, and require a follow-up test called a 3-hour oral glucose tolerance test (OGTT).
1 - American Diabetes Association. ADA Standards of Medical Care in Diabetes - 2010. Diabetes Care, Volume 33, Supplement 1, January 2010.
Reviewed by Francine Kaufman, MD. 4/10
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Since Monday, I have made several changes to my diabetes management in efforts to get my A1c down into the pre-pregnancy range of 6 to 6.5%. Before my endo appointment on Monday, I downloaded the data from my Dexcom, t:slim, and Verio IQ meter to look at trends. It was obvious that I needed changes since my averages were out-of-range. I adjusted all my ratios and basals to increase my insulin across the board. When I started working out in January, I decreased my basals due to...