Age-Based Advice

Select your baby's age to see what's happening with milestones, common concerns, food readiness, sleep needs, and upcoming vaccines - all in one place.

Newborn

0newborn

1 - 3 Months

1month2months3months

4 - 6 Months

4months5months6months

7 - 9 Months

7months8months9months

10 - 12 Months

10months11months12months

13 - 18 Months

13months14months15months16months17months18months

19 - 24 Months

19months20months21months22months23months24months

25 - 36 Months

25months26months27months28months29months30months31months32months33months34months35months36months

All content follows our editorial policy and is reviewed against published clinical guidelines.

2,705 evidence-based guides6 authoritative medical sources

Every baby develops at their own pace. The information here is based on typical ranges from the CDC, WHO, and AAP. If something feels off, trust your instincts and talk to your pediatrician.