Healthcare and early childhood professionals trained in screening look for developmental milestones to find out:

• if a child needs more support; it is not always easy to know whether a child needs help with development

• if further evaluation is recommended with a formal, validated developmental screening tool healthcare and early childhood professionals trained in screening Developmental screening at least at 9, 18, and 30 months of age. Autism screening at least at 18 and 24 months of age. Additional screens can be done for concerns