These key learning points summarize the consensus- and evidence-based recommendations included in this edition. The sources listed here for each statement recommend that physicians perform or implement these actions directly in a clinical setting. A = consistent, good-quality patient-oriented evidence; B = inconsistent or limited-quality patient-oriented evidence; C = consensus, disease-oriented evidence, usual practice, expert opinion, or case series. For information about the Strength of Recommendation Taxonomy (SORT) evidence rating system, go to https://www.aafp.org/pubs/afp/issues/2004/0201/p548.html.

1. Provide infant feeding support for families, including breastfeeding support and guidance for introduction of solid foods.
Evidence rating: SORT B
Source: Section One, references 41-43

2. Screen all children ages 18 months and 2 years for autism spectrum disorder (ASD) using an ASD-specific screening tool.
Evidence rating: SORT B
Source: Section Two, reference 13

3. Administer on-time vaccinations for all children ages birth to 18 years as recommended by the Centers for Disease Control and Prevention Advisory Committee on Immunization Practices. Administer catch-up vaccinations when needed.
Evidence rating: SORT A
Source: Section Three, reference 12

4. Screen all children from the time of first tooth eruption to age 12 years to determine if their primary water source is deficient in fluoride, and prescribe an oral fluoride supplement if it is.
Evidence rating: SORT B
Source: Section Three, references 1, 2, 26-28