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Baby month by month

Wondering what to expect from the first year?

Get the lowdown on what's happening with baby month by month—from his first day to his first birthday! We cover everything you want to know about baby’s progress, from infant development to baby milestones by month, to how much sleep baby (and you!) should be getting.

So check out baby’s stages and development and how they compare to other babies the same age. Just choose your baby’s age below to get started!