Every baby develops at their own pace, but knowing what to expect — and what's within the normal range — helps you support your child's growth with confidence rather than anxiety. We've built this milestone library with guidance from the American Academy of Pediatrics and CDC developmental resources to give you evidence-based, reassuring answers to every parent's most common questions.
Month-by-Month Milestones
| Month | Guide | Key Milestones |
|---|---|---|
| 1 Month | 1-Month-Old Milestones | Reflexes, brief head lifting, focusing on faces |
| 2 Months | 2-Month-Old Milestones | Social smiling, smoother movements, cooing |
| 3 Months | 3-Month-Old Milestones | Head control improving, reaching for objects |
| 4 Months | 4-Month-Old Milestones | Rolling attempts, laughing, hand-eye coordination |
| 5 Months | 5-Month-Old Milestones | Rolling both ways, sitting with support |
| 6 Months | 6-Month-Old Milestones | Sitting independently, babbling, solid foods |
| 7 Months | 7-Month-Old Milestones | Pre-crawling movements, stranger awareness |
| 8 Months | 8-Month-Old Milestones | Crawling, pulling up, first consonants |
| 9 Months | 9-Month-Old Milestones | Cruising, pincer grasp, object permanence |
| 10 Months | 10-Month-Old Milestones | Standing briefly, gestures, problem-solving |
| 11 Months | 11-Month-Old Milestones | First steps possible, 2-5 words, limit-testing |
| 12 Months | 12-Month-Old Milestones | Walking, 3-5+ words, pretend play begins |
Gross Motor Milestones
These are the big physical movements that transform your baby from a stationary newborn to a walking toddler.
| Milestone | Guide | Typical Age Range |
|---|---|---|
| Rolling Over | When Do Babies Roll Over? | 3-6 months |
| Sitting Up | When Do Babies Sit Up? | 4-7 months |
| Crawling | When Do Babies Crawl? | 6-10 months |
| Standing | When Do Babies Stand? | 8-12 months |
| Pulling to Stand | When Do Babies Pull to Stand? | 8-10 months |
| Cruising | When Do Babies Cruise Furniture? | 8-12 months |
| Walking | When Do Babies Walk? | 9-18 months |
Practical Guides
| Topic | Guide |
|---|---|
| Tummy Time Duration | How Long Should Tummy Time Be? |
| Best Tummy Time Surface | Best Surface for Tummy Time |
| Tummy Time Progression | Tummy Time Milestones by Age |
| Encouraging Crawling | How to Encourage Baby to Crawl |
| Crawling Styles | Army Crawling vs Regular Crawling |
| Signs of Crawling | Signs Baby Is About to Crawl |
When Parents Worry
It's natural to compare your baby to others. These guides offer reassurance backed by pediatric research.
| Concern | Guide |
|---|---|
| Baby hates tummy time | Baby Hates Tummy Time: What to Do |
| Not crawling at 9 months | Baby Not Crawling at 9 Months |
| Not rolling at 5 months | Baby Not Rolling Over at 5 Months |
| Skipped crawling entirely | Baby Skipped Crawling |
| Only crawls backward | Baby Only Crawls Backward |
| Not interested in toys | Baby Not Interested in Toys |
| Late walker | Late Walker Baby: When to Worry |
Safety & Environment
| Topic | Guide |
|---|---|
| Baby-Proofing Living Room | Complete Guide |
| Baby-Proofing Hardwood Floors | Floor Safety Guide |
| Memory Foam Safety | Is Memory Foam Safe for Babies? |
| Non-Toxic Play Mats | Complete Non-Toxic Guide |
| Safe Play Area Setup | How to Create a Safe Play Area |
| Safe Floor for Crawling | Safe Floor for Crawling Baby |
| Under the Play Mat | What to Put Under a Play Mat |
| Certification Comparison | CertiPUR-US vs OEKO-TEX |
Creating the Right Environment for Every Stage
From tummy time to first steps, the floor your baby plays on matters. Our Ultimate Baby Play Mat Guide covers everything you need to know about choosing a safe, comfortable surface that grows with your child.
Browse by need: All Play Mats | Tummy Time Mats | Crawling Mats | Toddler Play Mats
Written by the Poco Koko Team — parents, product designers, and child safety researchers dedicated to creating safer floors for families.