Small-for-gestational-age (sga) newborn

[Rihanna]

A newborn who weighs less than 90% of newborns of the same gestational age at birth (below the 10th percentile) is considered small for gestational age.

• Newborns may be small because their parents are small, the placenta did not function normally, or the mother has a medical disorder or has used drugs, smoked, or consumed alcohol during the pregnancy.
• Unless they are born with an infection or have a genetic disorder, most small-for-gestational-age newborns have no symptoms and do well.
• Some small newborns remain small as adults.

Gestational age refers to how far along the fetus is. The gestational age is the number of weeks between the first day of the mother