Preterm babies, supplementation, and counseling families

On behalf of babies, let's move past "That's just how we do it here"

“NICU ‘graduate’ families I work with, who have moved to at-breast feeding primarily, often find it frustrating that formula supplementation has to continue for ‘x’ length of time...but without much reason why other than "they were preterm". Any language guidance to support families through this? Or any resources for what is evidence-based supplementati…