A charge nurse is teaching a newly licensed nurse about substance use disorders during pregnancy. Which of the following statements by the newly licensed nurse indicates an understanding of the teaching?

Encourage clients who are prescribed methadone to breastfeed.

Methamphetamine use during pregnancy is associated with fetal macrosomia.

Environmental stimuli should be increased during the neonatal period.

Increased head circumference is an expected finding in a newborn who has fetal alcohol syndrome.