small for gestational age
Also found in: Dictionary, Acronyms.
Related to small for gestational age: Large for gestational age
small for gestational ageIntrauterine growth retardation Neonatology adjective Referring to an infant whose gestational age and weight gain are < expected for age. See Low birthweight.
small for ges·ta·tion·al age(SGA) (smawl jes-tā'shŭn-ăl āj)
Infant whose birth weight is below the tenth percentile for gestational age.
small for gestational age,
1. Term describing an infant whose birth weight is at or below the 10th percentile, as correlated with the number of weeks in utero on the intrauterine growth chart.
2. A fetus that is more than two standard deviations smaller than the mean size of fetuses in its population.