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.
Small for gestational age (SGA) is a term employed to characterize newborns whose height or weight falls below the tenth percentile for their estimated gestational age. The estimation of gestational age is determined based on the date of the mother’s last menstrual period. SGA serves as one of the indicators of TORCH syndrome, a group of infections that can be transmitted from mother to fetus during pregnancy and includes pathogens such as Toxoplasma, Rubella, Cytomegalovirus, and Herpes simplex virus.