Milestones

Checklists and activity ideas for the first year, led by official milestone programmes. These are not a diagnosis, and they are not a substitute for seeing a clinician.

CDC developmental milestones
CDC checklists of developmental milestones from 2 months, with a note that they are not a substitute for formal screening.
Free
CDC Milestone Tracker
The official CDC app for tracking developmental milestones from 2 months to 5 years, in English and Spanish, with no account required for the checklists.
Free · iOS and Android
Ages and Stages Questionnaires
The official site for the ASQ developmental screening questionnaires, usually completed through a clinic or early-years service.
CDC child vaccine schedule (easy-to-read)
An easy-to-read version of the US child and adolescent immunisation schedule, from the CDC.
Free
CDC: vaccines for children
The CDC hub for childhood vaccine schedules and related parent information.
Free
Help Me Grow National
A US network that helps families find developmental screening and early childhood services in participating states.
Free
March of Dimes: parenthood
March of Dimes pages on parenthood and a baby's development, from the US maternal and infant health charity.
Free
Pathways.org
A US non-profit with baby milestone videos and checklists, including early motor skills. It is not a substitute for seeing a clinician.
Free
Vroom
Short, everyday activity ideas for babies and young children, from a Bezos Family Foundation programme.
Free
ZERO TO THREE
A US non-profit on early development, with articles and handouts for parents of babies and toddlers.
Free

When the list grows

One short email when we add to it. Nothing else.