Baby Development Stages Week By Week Pictures: A Guide for New Parents

Congratulations on the arrival of your bundle of joy! As a new parent, you may be wondering what to expect in terms of your baby’s development. While every baby develops at their own pace, it’s helpful to have a guide to understand the milestones your baby will reach week by week. That’s where baby development stages week by week pictures come in! In this article, we’ll go through the different stages of baby development, with pictures to help you visualize what to expect.

Weeks 1-4: The Newborn Stage

During the first month of life, your baby is considered a newborn. This is a time when your baby’s development is focused on growing and adapting to life outside the womb. Newborns spend most of their time sleeping and eating, as their digestive system is still developing. They can recognize their mother’s voice and smell, but their vision is blurry and they can only see objects up close.

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Weeks 5-8: The Social Smile Stage

Around week 5, your baby will start to smile in response to your voice and face. This is known as the social smile stage, and it’s an exciting milestone for new parents. You may also notice that your baby is starting to develop more control over their head and neck, and can follow moving objects with their eyes.

Weeks 9-12: The Hand-Eye Coordination Stage

During the third month of life, your baby’s hand-eye coordination is starting to develop. They’ll begin to reach for and grasp objects, and may even try to bring them to their mouth. You may also notice your baby starting to mimic facial expressions, such as sticking out their tongue or blowing raspberries.

Weeks 13-16: The Rolling Over Stage

At around 4 months old, your baby’s muscles are getting stronger and they’re starting to roll over from their tummy to their back. They may also start to push up on their arms when lying on their stomach, which is a precursor to crawling. During this stage, your baby may also become more vocal, making cooing and babbling sounds.

Weeks 17-20: The Sitting Up Stage

Around 5 months old, your baby may start to sit up with support. They’ll also start to develop better hand-eye coordination and may be able to grab objects with their fingers instead of their whole hand. During this stage, your baby may also start to develop a sense of object permanence, knowing that an object still exists even when it’s out of sight.

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Weeks 21-24: The Crawling Stage

By 6 months old, your baby may start to crawl. Some babies skip crawling altogether and move straight to standing and walking, while others may crawl for several months. During this stage, your baby’s fine motor skills are improving, and they may be able to pick up small objects using their fingers. You may also notice your baby starting to understand simple words and commands.

Weeks 25-28: The Standing Stage

At around 7 months old, your baby may start to pull themselves up to a standing position. They’ll also start to cruise along furniture, holding on for support as they move around. During this stage, your baby may start to use gestures to communicate, such as waving goodbye or nodding their head yes or no.

Weeks 29-32: The Walking Stage

By 10-11 months old, most babies are able to take their first steps on their own. This is an exciting milestone, but it’s important to remember that all babies develop at their own pace. Some babies may start walking as early as 9 months, while others may not walk until closer to 15 months. During this stage, your baby’s vocabulary may also start to expand, with them saying simple words like “mama” and “dada”.


Watching your baby grow and reach new milestones is one of the most rewarding experiences of parenthood. Remember, every baby is different, and there’s no “right” or “wrong” way to develop. If you have any concerns about your baby’s development, talk to your pediatrician. And most importantly, enjoy the journey!

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Frequently Asked Questions

What should I do if my baby isn’t reaching developmental milestones?

If you’re concerned that your baby isn’t reaching developmental milestones, talk to your pediatrician. They can assess your baby’s development and recommend any necessary interventions or therapies.

How can I help my baby reach developmental milestones?

There are many ways you can support your baby’s development, including providing plenty of tummy time, talking to your baby, reading books, and playing with age-appropriate toys.

What are some signs of developmental delays?

Signs of developmental delays may include not reaching milestones on time, difficulty with motor skills, problems with communication or socialization, and other red flags identified by your pediatrician.

What if my baby reaches milestones earlier or later than average?

Remember that every baby develops at their own pace, and there’s no “right” or “wrong” way to develop. If your baby reaches milestones earlier or later than average, that’s okay!

What if my baby skips a milestone?

It’s not uncommon for babies to skip certain milestones altogether or develop them in a different order. If you have any concerns, talk to your pediatrician.

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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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