Babyfases

Baby stages 0–5 years (US edition)

What does your baby or toddler need right now? Sleep, feeding, diaper sizes and development per age stage — based on the CDC and the American Academy of Pediatrics (AAP).

The interactive dashboard (enter a birth date once, see what matters each week) is currently available in Dutch at babyfases.nl — an English version is on its way. The stage guides below are fully in English.

Switch to the UK edition (NHS guidance)