Differences Between a Baby, Newborn, Infant, & Toddler

BBK Star

Babies, newborns, infants, and toddlers are all terms used to describe young children, but they refer to different stages of development. It’s important to understand these differences, as they can affect the way you care for your child and the milestones they are expected to reach.

The World Health Organization (WHO) defines a newborn infant, or neonate, as a child that’s under 28 days old. A newborn infant, or neonate, is a child under 28 days of age. During these first 28 days of life, the child is at highest risk of dying.

There is no fixed definition of a newborn age range; however, some experts consider a baby to be a newborn when it is less than 28 days old, while others consider it a 3-month-old baby.

The Centers for Disease Control and Prevention (CDC) defines an infant as from birth to 1 year old.
baby at different stages mind Mapping

different stage


Any child from birth to age 4 years old.


A baby from birth to about 2 months of age.


Any stage from birth to 1-year-old.


1-year-old to 3-years-old.


3-year-old to 5-year-old.


What Newborns look like

Newborns are the youngest of the bunch and typically refer to babies from birth until they are two months old. During this time, they sleep most of the day and night and eat frequently, often every two to three hours. They are unable to control their movements and require a lot of support to hold their head up or move their limbs. Newborns also have very little interaction with the world around them and are mostly focused on getting enough food and sleep.


What Infants look like

Infants are typically considered to be babies from two months old until they reach their first birthday. During this time, they start to become more alert and aware of their surroundings. They begin to make eye contact and recognize faces, and may even smile or coo in response. Infants also start to develop their motor skills, such as reaching for objects or rolling over, and may start to sit up or crawl towards the end of their first year.


What Toddlers look like

Toddlers are typically considered to be children from one year old until they are three years old. During this time, they continue to develop their motor skills and become more independent. They may start to walk or even run and can use their hands to manipulate objects with greater precision. Toddlers also begin to develop their language skills, learning to say their first words and forming simple sentences. They become more curious about the world around them and may start to explore their environment more actively.

At baby’s pace

While each stage of development has its own unique characteristics, it’s important to remember that every child develops at their own pace. Some babies may reach certain milestones earlier or later than others, and that’s perfectly normal. As a parent or caregiver, it’s important to provide a nurturing and supportive environment that encourages your child’s growth and development, no matter what stage they are at.

“You can never solve a problem with the same kind of thinking that created the problem in the first place.”

– Albert Einstein

Tips for Choosing the Right Clothing Size for Your Baby

Choosing the right clothing size for your baby can be a challenge, especially as babies grow so quickly. However, with a few helpful tips, you can ensure that your little one is comfortable and well-dressed at all times.

Firstly, it’s important to measure your baby’s height and weight in order to determine the appropriate clothing size. Most clothing brands offer size charts that can help you select the right size based on your baby’s measurements.

Secondly, consider buying clothing that’s slightly larger than your baby’s current size. Babies grow at an astonishing rate, and you want to make sure that the clothes you buy will last for a few months at least.

Thirdly, look for clothing made from soft, breathable materials that won’t irritate your baby’s skin. Avoid fabrics that are too heavy or too scratchy, as well as clothing with buttons or embellishments that could be a choking hazard.

Finally, remember to choose clothing that’s easy to put on and take off. Babies can be wriggly and uncooperative at times, so look for clothes with stretchy necklines or snaps that make dressing and undressing quick and easy.

By following these simple tips, you can ensure that your baby is dressed comfortably and appropriately, no matter what the occasion.

BBK Star Size Chart


0-3 months


3-6 months

6-12 months


12-18 months

18-24 months

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