GAIA Level 1 Small for Gestational Age

**Semantic type:** Classification

**Definition:** GAIA Level 1 Small for Gestational Age is defined by three criteria: first, weight below the 10th percentile for gestational age; second, assessment of weight by both of the following: a) Newborn weighed within 24 hours of birth; AND b) Weight assessed using a calibrated electronic scale with 10 g resolution; third, the gestational age is assessed by confirmatory ultrasound during the first trimester, with or without certain LMP, or IUI or embryo transfer date OR by first trimester ultrasound.

**Synonyms:** - Global Alignment of Immunization safety Assessment in pregnancy Level 1 Small for Gestational Age - Level 1 Small for Gestational Age