As the nurse assessing the iglesias family with an infant at risk for delayed growth, what nursing interventions should be prioritized to promote normal growth and development in the infant ?

The Iglesias family brings their 6-month-old infant to the pediatric clinic for a routine check-up. Mrs. Iglesias, the mother, expresses concerns about her baby’s slow weight gain and developmental milestones. The infant appears alert but is below the average weight for his age.