Baby Milestones Checklist: Your Baby’s First Year
Your baby’s first year is full of tiny, beautiful changes — and sometimes big leaps that seem to happen overnight. If you’ve ever wondered, “Is my baby on track?” you’re not alone.
This baby milestones checklist walks you month by month through your baby’s first year. You’ll see what many babies are working on at each stage, what counts as normal variation, and how you can gently support your baby’s development.
Remember: milestones are guidelines, not deadlines. Babies develop at their own pace.
For a deeper dive into each stage, visit our complete Baby Milestones by Month guide and track progress using our Infant Development Tracker guide.
0–3 Months: Adjusting to the World
In the early weeks, your baby is learning how to be outside the womb. Development is rapid but subtle.
Motor Skills Checklist
- Lifts head briefly during tummy time
- Moves arms and legs symmetrically
- Brings hands near face
- Begins to push up slightly on forearms (around 3 months)
Social & Emotional Checklist
- Makes eye contact
- Starts to smile socially (around 6–8 weeks)
- Calms to familiar voices
Communication Checklist
- Coos and makes vowel sounds
- Turns toward sounds
How to support your baby:
- Practice short, frequent tummy time sessions
- Talk, sing, and make eye contact
- Respond to your baby’s sounds as if you’re having a conversation
If you’d like a deeper weekly breakdown, see our Newborn Development Week by Week guide.
4–6 Months: Stronger and More Social
This is when many babies become more interactive and physically capable.
Motor Skills Checklist
- Rolls from tummy to back (often first)
- Pushes up on straight arms during tummy time
- Begins sitting with support
- Reaches for and grasps toys
Social & Emotional Checklist
- Laughs out loud
- Recognizes familiar faces
- Enjoys playing with caregivers
Communication Checklist
- Babbles ("ba," "da")
- Responds to tone of voice
How to support your baby:
- Offer safe floor time daily
- Place toys just out of reach to encourage movement
- Mirror your baby’s sounds to build early language skills
7–9 Months: On the Move
Mobility changes everything. Your baby becomes more curious and determined.
Motor Skills Checklist
- Sits without support
- Rolls both directions easily
- Begins crawling or scooting
- Transfers objects hand to hand
Social & Emotional Checklist
- May show separation anxiety
- Enjoys interactive games like peekaboo
- Responds to their name
Communication Checklist
- Strings sounds together ("bababa")
- Uses voice to express joy or frustration
How to support your baby:
- Create a safe space for exploration
- Play turn-taking games
- Name objects during play
If your baby isn’t crawling yet, remember that some babies skip crawling altogether. Learn more in our guide on When Do Babies Start Crawling?.
10–12 Months: First Steps Toward Toddlerhood
Your baby may begin to look and act more like a toddler during these months.
Motor Skills Checklist
- Pulls to stand
- Cruises along furniture
- May take independent steps
- Uses pincer grasp (thumb and forefinger)
Social & Emotional Checklist
- Shows clear preferences
- Waves or claps
- Imitates simple actions
Communication Checklist
- Says "mama" or "dada" with meaning
- Understands simple requests
- Uses gestures to communicate
How to support your baby:
- Encourage cruising with stable furniture
- Read simple board books daily
- Celebrate attempts — even wobbly ones
If you’re wondering about walking timelines, it’s completely normal for first steps to happen anytime between 9 and 15 months.
When to Talk to Your Pediatrician
Trust your instincts. While variation is normal, consider reaching out if your baby:
- Isn’t smiling by 3 months
- Isn’t sitting with support by 6 months
- Isn’t responding to their name by 9 months
- Isn’t bearing weight on legs by 12 months
Early support makes a big difference — and asking questions is always okay.
How to Use This Milestone Checklist
Instead of checking off every skill the moment it appears, try this approach:
- Review milestones once per month
- Look for patterns of progress
- Celebrate strengths
- Note questions for your pediatrician
For a structured way to log milestones, patterns, and notes, explore our complete Infant Development Tracker guide.
Frequently Asked Questions
Are milestone checklists accurate for every baby?
Milestone checklists reflect averages. Some babies focus on motor skills first, while others prioritize language or social development. Variation is common.
What if my baby skips a milestone like crawling?
Some babies skip crawling and move straight to pulling up or walking. What matters most is steady progress across areas of development.
Should I be worried if my baby is "late"?
A few weeks — or even a couple of months — outside the average range is often still normal. If you’re unsure, your pediatrician can help you decide whether further evaluation is needed.
How often should I track milestones?
Monthly check-ins are usually enough. Daily tracking isn’t necessary unless recommended by a healthcare professional.
Your baby’s development is a journey — not a race. Celebrate progress, ask questions when you need reassurance, and remember that connection matters more than perfection.
Track your baby’s milestones and get personalized insights with the NurtureWell app.