Every claim linked to its source CDC · NHS · AAP guidance, cited on every page 120+ studies referenced

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Your baby's first year, week by week

Pick a week for what's typical then, sourced to the CDC, NHS, and AAP. For your own baby's exact map with adjusted age, use the free forecast instead.

Window 1 · Settling in weeks 0 to 8

Window 2 · Waking up to the world weeks 8 to 17

Window 3 · Grabbing everything weeks 17 to 26

Peanutbean provides general information for educational purposes only. It is not medical advice. Every baby develops at their own pace. Always talk to your pediatrician about your child's health.