Developmental Milestones by Age Four Months

Overview

At 4 months old, a child reaches various milestones in social and emotional, language and communication, cognitive, and movement and physical development. Here are some key milestones for a 4-month-old child:

Social/Emotional Milestones:

• Smiles on his own to get your attention
• Chuckles (not yet a full laugh) when you try to make him laugh
• Looks at you, moves, or makes sounds to get or keep your attention

Language/Communication Milestones:

• Makes sounds like “oooo”, “aahh” (cooing)
• Makes sounds back when you talk to him
• Turns head towards the sound of your voice

Cognitive Milestones:

• If hungry, opens mouth when he sees breast or bottle
• Looks at her hands with interest

Movement/Physical Development Milestones:

• Holds head steady without support when you are holding him
• Holds a toy when you put it in his hand
• Uses his arm to swing at toys
• Brings hands to mouth
• Pushes up onto elbows/forearms when on tummy

These milestones are important markers of a child's development and can vary slightly from one child to another. If you have any concerns about your child's development, it's best to consult with their healthcare provider for guidance and support.