my baby boy is preterm baby...he is born 28 week 6 days on april 10 2022...now his head circumference is 36cm and weight is 4.6kg is this normal doctor????

A. Infants born between 32 and 34 weeks are called moderately preterm and weigh between 3 and 5 pounds and those who arrive between 28 and 32 weeks (very preterm babies) can range in weight from 2 pounds, 7 ounces at 28 weeks to 3 pounds, 15 ounces at 32 weeks, depending on the sex.