Insights

Insights and explainers for everyday caregiving decisions

Short explainers that translate public guidance into practical next steps for real-life parenting decisions.

Evidence informedTopics Library
DevelopmentEvidence synthesisMay 13, 2026

When Should You Talk to a Pediatrician About Missed Milestones?

Talk to a pediatrician whenever your child is missing expected milestones, losing skills, or you feel concerned about development.

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Key signals

Talk to a pediatrician as soon as you notice your child may be missing developmental milestones, especially if a skill expected for their age is not emerging or if your child loses a skill they once had. CDC milestone tools are designed to help families track development and “act early” when they have concerns, while the AAP organizes child health and development guidance by age and stage. | Track developmental skills from early infancy using CDC Learn the Signs. Act Early. milestone resources.

Age 0-24 monthsOpen insight
DevelopmentEvidence synthesisMay 6, 2026

What Is Tummy Time and Why Is It Important for Babies?

Tummy time is supervised awake time on a baby’s belly that parents use to support early movement practice and observe development.

tummy timewhat is tummy timewhy is tummy time...+7

Key signals

Tummy time is supervised awake time when a baby is placed on their belly for short, parent-watched practice. It matters because early infancy is a period of rapid development, and CDC milestone tools help families track skills, notice concerns early, and bring specific questions to a clinician. | Use CDC milestone resources to track development from early infancy and act early when something concerns you.

Age 0-6 monthsOpen insight
DevelopmentEvidence synthesisMay 3, 2026

When Should I Expect Common Baby Development Milestones?

Expect milestones to unfold across the first year, and use CDC age-based checklists to track skills and raise concerns early.

baby development ...infant milestoneswhen should baby ...+6

Key signals

Common baby development milestones are expected across the first year, but the exact timing varies by child. The CDC says milestones describe skills most children can do by a given age, and families should use age-based milestone resources to track progress and act early if they are concerned. | Use CDC milestone resources to track development from early infancy and act early when something concerns you.

Age 0-12 monthsOpen insight

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