Skills such as taking a first step, smiling for the first time, and waving “bye bye” are called developmental milestones. Children reach milestones in how they play, learn, speak, act, and move (crawling, walking, etc.).
Click on the age of your child to see the milestones:
In this video, parents of young children share their personal experiences of using CDC’s “Learn the Signs. Act Early.” tools and resources to learn about child development, recognize the milestones their child should be reaching, and guide them about what to do if they ever become concerned.
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