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START Glossary
Response 15
START Glossary
Acronym
EC
Description
Early childhood is defined differently depending on the service system. For service delivery, early childhood often includes children from birth through age 5 (birth-3 services and preschool services). When determining eligibility for early childhood developmental delay (ECDD), the definition extends to age 7.
Category
Early Childhood
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Page last modified May 27, 2026
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