GAIA Level 1 Gestational Diabetes Mellitus

**Semantic type:** Classification

**Definition:** GAIA Level 1 Gestational Diabetes Mellitus is defined by three criteria: first, at least one of the following requirements must be met: a) absence of pre-gestational diabetes [pre-gestational diabetes is defined as a) previous diagnosis of diabetes while not pregnant OR b) first trimester hemoglobin A1c level of greater than or equal to 6.5% (47.5 mmol/mol) OR c) first trimester fasting blood glucose greater than or equal to 126 mg/dL (7 mmol/L)]; second, gestational age with level 1 or level 2 certainty, using the GAIA definition for gestational age; third, a diagnosis of gestational diabetes as determined by a positive result from an international standard oral glucose tolerance test using venous blood samples.

**Synonyms:** - Global Alignment of Immunization safety Assessment in pregnancy Level 1 Gestational Diabetes Mellitus - Level 1 Gestational Diabetes Mellitus