What a 4 Month Old Baby Should Be Doing: Milestones and Development

what a 4 month old baby should be doing


At four months old, babies go through significant developmental changes. As a parent, it’s essential to understand what milestones your little one should be reaching during this stage. In this article, we will discuss what a four-month-old baby should be doing, highlighting their developmental milestones and providing helpful tips for supporting their growth and development.

Physical Development:

At four months old, babies start to gain more control over their bodies. They can hold their heads up steadily and may even begin to roll over from their tummy to their back. Some babies may also show signs of pushing up on their arms while lying on their stomachs. Encourage your baby’s physical development by providing plenty of tummy time and supervised play on a safe and comfortable surface.

Gross Motor Skills:

During this stage, babies start to explore their surroundings more actively. They may reach out and grab objects, bringing them closer to their mouths. Your little one may also start to kick their legs and move their arms purposefully. Offer age-appropriate toys and objects that are safe for them to explore, promoting their gross motor skills and hand-eye coordination.

Social and Emotional Development:

At four months old, babies become more social and interactive. They begin to recognize familiar faces and may respond with smiles and coos when they see their parents or caregivers. Your baby may also enjoy playing simple games like peek-a-boo. Engage in responsive and loving interactions with your little one to foster their social and emotional development.

Language and Communication:

While babies at this age are not yet speaking, they are starting to make more vocalizations. They may babble and coo, experimenting with different sounds. Respond to your baby’s vocalizations by talking, singing, and reading to them. This helps develop their language skills and strengthens the bond between you and your little one.

Cognitive Development:

Four-month-old babies are becoming more aware of their surroundings. They may show interest in objects and people around them and may even try to reach for things they find intriguing. Provide age-appropriate toys that stimulate their senses, such as colorful rattles or toys with different textures. Engage in interactive play to encourage their cognitive development.

Sleep Patterns:

By four months old, many babies start to establish more regular sleep patterns. They may sleep for longer stretches at night, with fewer nighttime awakenings. However, every baby is different, and sleep patterns can vary. Establish a consistent bedtime routine and create a calm and soothing sleep environment to help your baby develop healthy sleep habits.


At four months old, babies go through significant developmental changes in various areas. From physical development to social skills and language acquisition, each milestone is an important step in their growth. By understanding what a four-month-old baby should be doing and providing the necessary support and stimulation, you can help your little one thrive and reach their developmental milestones. Enjoy this exciting stage of your baby’s life and cherish the precious moments of their growth and discovery.



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