I’ll admit it — I caught myself Googling “should my 6-week-old be smiling” at 2 AM. The comparison trap starts early, and it starts with you comparing your baby to the internet. Here’s what I found when I went to the actual sources instead of parenting forums.
Milestones Are Clues, Not a Contest
The CDC defines milestones as things most children — about 75% or more — do by a certain age. A 2022 peer-reviewed Pediatrics paper explains that the newer CDC checklists were rebuilt to make missing even one milestone more actionable, so families don’t get stuck in a “wait and see” pattern.
The point is early noticing, not comparing babies against each other. Your baby doesn’t know they’re on a timeline.
What to Expect by 2 Months
By 2 months, the CDC says many babies:
- Calm down when spoken to or picked up
- Look at faces
- Smile when talked to
- Make sounds besides crying
- React to loud sounds
- Watch people move
- Hold their head up during tummy time
- Move both arms and both legs
These small skills are early signs that the brain and body are learning together. They’re not party tricks — they’re development in action.
How Parents Help (It’s Simpler Than You Think)
The CDC suggests talking, reading, singing, smiling back, cuddling, and responding when the baby makes sounds. That’s it. The same page says you do not spoil a baby by holding or responding to them — being responsive helps babies feel safe and supports learning.
No flashcards required. Just be present and respond. The research says that’s what matters most.
Don’t Wait If You’re Worried
The CDC says don’t wait if a baby is missing milestones, has lost skills, or you’re worried. Talk with the child’s doctor, ask about developmental screening, and if concern remains, ask for a referral and contact early intervention. Acting early can make support easier to get and more useful.
This one stuck with me: the research is clear that “let’s wait and see” is usually worse than “let’s check now.”