Developmental Milestones

The first smile. Their first step. Waving bye-bye. Even raising a hand to give a high-five. These are all part of what are called developmental milestones. Children reach milestones as they play, learn, speak, act, and move. Developmental milestones are things most children (75% or more) can do by a certain age.*

To see your child’s milestones, click on their age, listed below.

Prenatal 2 Months 4 Months 6 Months 9 Months 12 Months 15 Months 18 Months 2 Years 30 Months 3 Years 4 Years 5 Years
Prenatal 2 Months 4 Months 6 Months 9 Months 12 Months 15 Months 18 Months 2 Years 30 Months 3 Years 4 Years 5 Years

These milestones are not a substitute for a standardized, validated developmental screening tool. These developmental milestones show what most children (75% or more) can do by each age. Subject matter experts selected these milestones based on available data and expert consensus. Milestones information published here is based on the information and guidance provided by the Centers for Disease Control and Prevention (CDC). What is a Developmental Milestone? (n.d.). Centers for Disease Control and Prevention. 


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This campaign is supported with funding from the Administration for Children and Families (ACF), Child Care and Development Fund through the America Rescue Plan Act (ARPA) administered by the Nevada Division of Welfare and Supportive Services Child Care and Development Program (Federal Grant #2021, G990232) and the Preschool Development Grant Birth through Five Initiative (PDG B-5) (Federal Grant #90TP099) administered by the Nevada Department of Education, Office of Early Learning and Development, subawarded to The Children’s Cabinet. Its contents are solely the responsibility of the authors and do not necessarily represent the official views of the Departments, Division, Office nor ACF.

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