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Baby Development: Milestones and expectations for the first year

The first year of a baby’s life is an exciting time for parents. Watching your little one grow and develop is a joyous experience, but it can also be overwhelming. There are so many milestones to look out for and it can be hard to know what to expect. In this blog post, we will cover the key developmental milestones for babies in their first year of life, and what parents can expect as their child grows and develops.

0-3 Months

During the first three months of a baby’s life, they will be focused on developing their senses and motor skills. They will start to recognize faces and voices, and will begin to follow objects with their eyes. They will also learn to grasp objects and bring them to their mouth. By the end of this period, most babies will be able to lift their heads up while lying on their stomach.

At this stage, babies will also start to develop their sleep patterns. It’s important for parents to establish a consistent sleep routine to help their baby get the rest they need.

4-6 Months

Between four and six months, babies will begin to develop their social skills. They will start to smile at people and enjoy playing with others. They will also begin to babble and make sounds and will respond to their name. Physically, babies will learn to sit up on their own and roll over.

It’s important for parents to encourage their baby’s development by providing plenty of opportunities for playtime and social interaction. Reading to your baby and talking to them will help them develop their language skills, and playing with toys will help them develop their motor skills.

7-9 Months

During the seventh to ninth months, babies will become more mobile. They will learn to crawl and start to explore their surroundings. They will also develop object permanence, which means they will understand that objects continue to exist even if they can’t see them.

At this stage, babies may also start to experience separation anxiety. This is a normal part of development and can be managed by providing a comforting presence and a consistent routine.

10-12 Months

In the final three months of the first year, babies will continue to develop their language skills. They will start to say their first words and understand simple commands. They will also learn to stand and take their first steps.

It’s important for parents to provide a safe environment for their baby to explore, while also providing plenty of support and encouragement. This can include providing toys and activities that encourage movement and exploration.


The first year of a baby’s life is a time of rapid growth and development. By understanding the key developmental milestones and providing a supportive environment, parents can help their baby thrive. It’s important to remember that every baby is different, and development may occur at different rates. As long as your baby is making progress and meeting their milestones, there is no need to worry. Enjoy this special time with your little one and celebrate each new milestone along the way!

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This blog provides information and advice on pregnancy, parenting, nutrition, fitness, diapering and more for new moms over 40.

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