A mother on stable methadone maintenance therapy delivers a full-term infant. She asks about breastfeeding, but her partner expresses concern about "methadone poisoning the baby." Which nursing response demonstrates best practice?

"Your baby will need NICU care regardless of your feeding choice."

"Methadone passes in small amounts but can actually reduce NAS severity."

"You should not breastfeed while on methadone."

"Formula is safer because no substances pass to the baby."