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O’Sullivan Test
Gestational Diabetes Screening (O’Sullivan Test)
Checks how your body processes sugar to screen for diabetes during pregnancy.
Sample Type
Blood
Preparation
- Fast for 10 hours before your visit. Water is allowed during the fasting period. At the lab, a blood sample is taken first to check your fasting blood sugar. You will then drink a glucose and water solution provided by the lab. One hour after drinking it, a second blood sample is taken.
Turnaround Time
Same day
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