Final answer:
Risk factors for SGA infants include maternal undernutrition, intrauterine growth restriction, premature birth, gestational diabetes, cesarean delivery, and family history of certain disorders.
Step-by-step explanation:
The most common risk factors for Small for Gestational Age (SGA) infants, who are below the 10th percentile in terms of birth weight, include maternal undernutrition and intrauterine growth restriction. These factors can lead to low birth weight and increased susceptibility to diseases for the newborns. Other risk factors for SGA infants may include premature birth, gestational diabetes, cesarean delivery, and family history of certain disorders.