Clinical Practice Guidelines


2020 Focused Updates to the Asthma Management Guidelines: A Report from the National Asthma Education and Prevention Program Coordinating Committee Expert Panel Working Group | NHLBI, NIH:


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Diabetes Testing During Pregnancy

First Trimester
Diabetes testing for all pregnant women with risk factors for type 2 diabetes (ADA2010).

Second Trimester
Test all pregnant women not previous known to have diabetes using 75-gram oral glucose tolerance test (0GTT) between 24-28 weeks gestation—using diagnostic cutpoints of greater than 92mg/dl for the fasting glucose test; greater than 180 mg/dl 1 hour after drinking the 75-gram glucose solution; & greater 153 mg/dl 2 hours after drinking the glucose solution (ADA 2010). A screening test consisting of a 50-g, 1-hour GCT at 24 to 28 weeks’ gestation. Universal screening using the GCT is the most sensitive approach; however, women classified as low risk may not benefit from testing. It is left to the individual clinician to determine the feasibility of testing each pregnant woman (ACOG).