Every claim linked to its source CDC · AAP · FDA · NHS guidance, cited where it applies Limits stated when evidence is uncertain

Fussy Phase Forecast

See general guidance for your baby's age and the months ahead.

Your baby's forecast

What this can do: show general guidance for your baby's age. It cannot predict when your baby will be fussy. The eight windows organize research and milestone guidance for the first two years, and exact timing varies.

Born early? Add it and we use adjusted age, as pediatricians do.

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.