3y 0m
Developmental Milestones Hub
Age-filtered speech, language, intelligibility & red flags
Current Band: 3;0 – 3;11
Receptive Language
- •Follows 2–3 step unrelated directions
- •Understands basic concepts: big/little, colors, same/different (emerging)
- •Answers who/what/where questions reliably; 'why' emerging
- •Listens to and comprehends short stories
Expressive Language
- •~1,000-word vocabulary; sentences of 3–5 words
- •Brown's Stages III–IV (MLU 2.5–3.75): possessive 's, 'is', articles a/the, regular past -ed emerging
- •Uses pronouns I, you, me, mine correctly
- •Retells simple events with support
Pragmatics & Social Communication
- •Takes 2–3 conversational turns on topic
- •Associative play with peers; begins cooperative play
- •Uses language to negotiate and express feelings
- •Begins simple conversational repair (repeats when misunderstood)
Intelligibility Benchmark
Benchmark: ~75% intelligible to unfamiliar listeners at age 3.
Critical Red Flags — Refer Immediately
- ⚠Sentences remain 1–2 words; unintelligible to family
- ⚠Frequent frustration/behaviors around communication
- ⚠No interactive play or interest in peers
- ⚠Persistent echolalia or scripted speech dominating output