GAIA Level 2a Failure to Thrive

**Semantic type:** Classification

**Definition:** GAIA Level 2a Failure to Thrive is defined by either of two criteria: first, the following four requirements must be present: a) Infant age determined by a documented birth date; b) Weights are obtained using a beam balance scale; c) A minimum of two documented weights measured at least four weeks apart; d) Weight for age deceleration must pass through at least two centile spaces on a growth chart; OR second, the following four requirements must be present: a) Infants have an undocumented birth date, where age is determined based on mother's recall to the nearest month; b) Weights are obtained using an electronic scale; c) A minimum of two weights measured at least four weeks apart; d) Weight for age deceleration must pass through at least two centile spaces on a growth chart.

**Synonyms:** - Global Alignment of Immunization safety Assessment in pregnancy Level 2a Failure to Thrive - Level 2a Failure to Thrive