What to Expect in the First Year
Your baby’s first year is full of growth, change, and milestones. From first smiles to first steps, each stage brings new questions. As a parent, it is normal to wonder what is typical and when to be concerned.
At KidsStreet Urgent Care, we specialize in pediatric urgent care services designed specifically for kids. We are here to support families through every stage of development, not just when your child is sick.
Below is a helpful guide to what many parents notice at 3, 6, 9, and 12 months old. Remember, every baby develops at their own pace.
3 Months Old: Growing Awareness
Around 3 months, babies become more interactive and expressive.
Many babies at this stage:
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Smile socially and respond to familiar faces
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Follow objects with their eyes
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Lift their head during tummy time
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Make cooing sounds
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Bring hands to their mouth
Feeding at this age includes breast milk or iron fortified formula only. Sleep patterns may begin to stretch slightly at night, but frequent waking is still normal.
Read our full guide on what to expect at 3 months old for more detailed information.
6 Months Old: Exploring the World
At 6 months, babies become more mobile and curious.
You may notice:
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Rolling over
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Sitting with support
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Reaching and grabbing toys
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Babbling more clearly
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Responding to their name
This is often when babies begin solids if they show readiness signs. Many parents also notice early teething during this stage.
Explore our full guide on what to expect at 6 months old to learn more about feeding, safety, and routines.
9 Months Old: Increasing Independence
By 9 months, many babies are on the move.
Common milestones include:
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Crawling or scooting
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Sitting without support
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Transferring objects between hands
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Using sounds intentionally
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Showing separation anxiety
Babies at this age often enjoy self feeding and exploring new textures. Personality traits become more noticeable as independence grows.
Visit our full 9 month development guide for a deeper look at what to expect.
12 Months Old: The First Birthday Milestone
At one year, your baby is transitioning into toddlerhood.
Many 12 month olds:
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Pull up to stand or cruise along furniture
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Take first steps or prepare to walk
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Say simple words
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Use gestures such as pointing and waving
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Show stronger emotions and preferences
Feeding transitions to more table foods and family meals. Safety becomes even more important as mobility increases.
Read our full guide on what to expect at 12 months old for more details on feeding, routines, and safety.
When Should You Be Concerned?
Every baby develops at their own pace. However, it may be helpful to speak with a provider if your baby:
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Is not making eye contact
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Is not responding to sounds
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Is not attempting to move or bear weight by later infancy
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Has lost skills they previously had
If you are ever unsure, trust your instincts. It is always okay to ask questions.
We Are Here for Growing Families
At KidsStreet Urgent Care, we understand that development questions often come up unexpectedly. Whether your child has a sudden illness or you need reassurance about milestones, our providers are here to help.
We are open late 7 days a week to make care convenient for busy families.
You can register online to save your spot in line or walk in anytime. Online registration adds you to the queue and gives you an estimated arrival time. It is not an appointment, but it can help reduce your in clinic wait time.
Find a KidsStreet location near you and learn more about our pediatric urgent care services.
Developmental Blogs by Age
What to Expect When Your Baby Is 3 Months Old
At 3 months old, your baby is becoming more alert, expressive, and interactive. This stage often feels exciting because you are starting to see more smiles, more personality, and longer stretches of awake time.
Child Development: What to Expect at 6 Months Old
Your baby is growing quickly, and hitting the 6-month milestone is a big deal. At KidsStreet Urgent Care, we’re here to support families through every stage of development. If your little one is around six months old, here’s what you can expect and how to support healthy habits at home.
What to Expect When Your Baby Is 9 Months Old
At 9 months old, babies are more curious, mobile, and social. They are also starting to show strong preferences, personalities, and new skills. As your baby continues to grow, you may have questions about feeding, development, and safety.
Child Development: What to Expect at 12 Months Old
Your baby is officially one year old. This milestone brings exciting changes in movement, communication, and independence. At 12 months, many children are exploring more confidently and beginning to show strong preferences and personality.
