Baby Development 4 Months

smiling baby at 4 months

By four months old, your baby has reached an exciting milestone in their development. They are becoming more interactive and responsive, and you are likely seeing their personality shine through. Here are some things you can expect from your four-month-old baby.

Physical Development

baby rolling over at 4 months

At four months old, your baby is starting to gain more control over their movements. They may be able to roll over from their front to their back or vice versa, and they may start to push up on their arms when lying on their stomach. They may also be able to reach for and grasp objects.

It’s important to continue tummy time with your baby, as this helps them develop the muscles they need for crawling and eventually walking. You can also encourage their physical development by providing safe, age-appropriate toys for them to explore.

Cognitive Development

baby playing with toys at 4 months

Your baby’s cognitive development is also progressing rapidly at four months old. They may start to recognize familiar faces and voices, and they may begin to understand cause and effect. For example, they may realize that pressing a button on a toy makes it light up or play music.

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You can help stimulate your baby’s cognitive development by talking to them frequently, reading to them, and providing them with toys that encourage exploration and problem-solving.

Social and Emotional Development

baby being held by parent

At four months old, your baby is becoming increasingly social and may start to show preferences for certain people. They may also start to display a wider range of emotions, such as joy, frustration, and even anger.

You can encourage your baby’s social and emotional development by providing plenty of opportunities for social interaction, such as playdates or trips to the park. You can also respond to their emotions in a supportive and empathetic way.

Feeding and Sleeping

baby drinking milk

At four months old, your baby may be starting to show signs of readiness for solid foods, such as sitting up with support and showing an interest in what you’re eating. However, it’s important to talk to your pediatrician before starting solid foods.

Your baby may also be sleeping for longer stretches at night, although they may still need to feed during the night. It’s important to establish a consistent bedtime routine to help your baby develop good sleep habits.


Overall, your four-month-old baby is making great strides in their development. By providing a supportive and stimulating environment, you can help them continue to thrive.

Frequently Asked Questions

1. When should my baby start crawling?

Every baby develops at their own pace, but many babies start crawling between six and ten months old. Encouraging tummy time and providing opportunities for exploration can help your baby develop the muscles they need for crawling.

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2. How often should I talk to my baby?

You can talk to your baby as much as you like! Frequent interaction helps stimulate your baby’s cognitive development and encourages social bonding.

3. How can I establish a bedtime routine for my baby?

Start by establishing a consistent bedtime and sticking to it every night. You can also incorporate calming activities like a warm bath or reading a story to help your baby wind down.

4. Is my baby ready for solid foods?

Talk to your pediatrician before starting solid foods. They can help you determine if your baby is showing signs of readiness and provide guidance on introducing new foods.

5. What should I do if I’m concerned about my baby’s development?

Don’t hesitate to talk to your pediatrician if you’re concerned about your baby’s development. They can perform an evaluation and provide guidance or referrals if necessary.

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By administrator

I am a child development specialist with a strong passion for helping parents navigate the exciting and sometimes challenging journey of raising a child. Through my website, I aim to provide parents with practical advice and reliable information on topics such as infant sleep, feeding, cognitive and physical development, and much more. As a mother of two young children myself, I understand the joys and struggles of parenting and am committed to supporting other parents on their journey.

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