Baby Development Month 4: What to Expect

Baby Development Month 4Source:

Physical Development

By the time your baby reaches month 4, you’ll notice a significant improvement in their motor skills. They will be able to roll over both ways, and some may even start to crawl. They will also start to reach for and grab objects, using their newfound hand-eye coordination. You’ll notice that their neck muscles have improved, and they can hold their head up for longer periods of time. Some babies may also start to bear weight on their legs and bounce when held upright.

Cognitive Development

During month 4, your baby’s cognitive development will continue to progress rapidly. They will start to recognize familiar faces and voices, and they may start to show a preference for certain toys or objects. They will also start to understand cause and effect, such as if they shake a rattle, it makes noise. You’ll notice that their attention span has increased, and they can focus on objects for longer periods of time.

Communication Development

Your baby’s communication skills will also continue to develop during month 4. They will start to coo and babble, and they may even start to mimic some of the sounds you make. They will also start to recognize their name and respond when called. You’ll notice that they are more expressive, using facial expressions and body language to communicate their needs and wants.

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By the end of month 4, most babies will be sleeping for longer stretches at night and taking shorter naps during the day. It’s important to establish a bedtime routine to help your baby wind down and prepare for sleep. Make sure their sleep environment is safe and comfortable, and avoid over-stimulating them before bedtime.


At month 4, your baby’s nutritional needs are still primarily met through breast milk or formula. However, you may start to introduce solid foods, such as pureed fruits and vegetables. Make sure to introduce one food at a time to monitor for any allergic reactions or digestive issues. Offer a variety of healthy foods to provide proper nutrition for your growing baby.


Month 4 is a big month for your baby’s development, with significant improvements in physical, cognitive, and communication skills. Make sure to provide a safe and stimulating environment for your baby to continue to grow and reach important milestones. Talk to your pediatrician if you have any concerns about your baby’s development or nutritional needs.

Frequently Asked Questions

Q: What if my baby isn’t meeting these milestones?

A: Every baby develops at their own pace, so don’t panic if your baby isn’t meeting these milestones exactly. However, if you have concerns, talk to your pediatrician to rule out any underlying issues.

Q: When should I start sleep training?

A: Every family is different, but most experts recommend waiting until your baby is at least 4 months old before starting any kind of sleep training. Make sure to discuss with your pediatrician before starting any sleep training methods.

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Q: Can I start introducing solid foods before month 4?

A: It’s not recommended to introduce solid foods before month 4, as your baby’s digestive system may not be ready. Make sure to talk to your pediatrician before starting any solid foods.

Q: How much should my baby be sleeping at month 4?

A: Every baby is different, but most babies at month 4 will be sleeping for around 12-14 hours a day, with longer stretches at night and shorter naps during the day.

Q: How can I help my baby’s language development?

A: Talk to your baby frequently, using simple words and phrases. Read books to your baby and sing songs, and encourage them to babble and make sounds. Provide a stimulating environment with a variety of toys and objects for your baby to explore.

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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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