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19001717 . The Gestational Oral Glucose Tolerance Test (OGTT) is used to screen for and diagnose gestational diabetes mellitus (GDM), a condition where blood sugar levels rise during pregnancy.
. It helps identify glucose intolerance early, allowing for timely management to prevent complications such as macrosomia (large baby), preeclampsia, preterm birth, and neonatal hypoglycemia.
. Proper diagnosis ensures appropriate dietary and lifestyle modifications or insulin therapy if needed. The test also helps reduce the long-term risk of type 2 diabetes for the mother and supports fetal well-being by preventing excessive growth and delivery complications.
. Typically performed between 24–28 weeks of pregnancy, the test follows the one-step (75g glucose, 2-hour test) approach.
