Disorders of newborn related to short gestation or low birth weight, not elsewhere classified

**Definition:** Infants whose weight is appropriate for their gestational ages are termed appropriate for gestational age (AGA). Infants that are heavier than expected are large for gestational age (LGA). Conversely, those smaller than expected are considered small for gestational age (SGA).

**Long definition:** Infants whose weight is appropriate for their gestational ages are termed appropriate for gestational age (AGA). Infants that are heavier then expected are large for gestational age (LGA). Conversely, those smaller then expected are considered small for gestational age (SGA). Factors to consider in addition to gestational age when determining the likelihood of favorable outcome with intensive care include, female sex, antenatal corticosteroids and singleton birth. Infants born at<28 weeks have a higher incidence of poor neurodevelopmental outcome, hearing loss, chronic lung disease and retinopathy of prematurity.

**Exclusions:** - Disorders of newborn related to slow fetal growth or fetal malnutrition