A NICU nurse is providing discharge teaching to parents whose infant was born at 36 weeks 4 days. The newborn required phototherapy for hyperbilirubinemia. Which explanation of the indication for treatment is correct?

Phototherapy is used for preterm infants to prevent cold stress of the newborn.

Your baby received phototherapy to reduce bilirubin levels and prevent kernicterus.

Phototherapy is used in all preterm newborns as a prophylactic treatment due to their higher risk factors.

Your baby received phototherapy to help improve his lung development.