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Early Intervention Services: Birth to Age 3 Guide for Parents

Early intervention can make a profound difference in your child's development. This comprehensive guide helps you understand Part C services, recognize developmental milestones, and navigate the evaluation process with confidence.

What is Early Intervention?

Early intervention refers to services and supports available to babies and young children with developmental delays or disabilities and their families. These services are designed to identify and address developmental concerns as early as possible, when a child's brain is most adaptable to change.

Key Benefits of Early Intervention
  • Improves developmental outcomes
  • Reduces need for special education services later
  • Supports family confidence and competence
  • Maximizes child's potential for independence
  • Provides family support and resources

Part C of IDEA: Your Legal Foundation

Understanding Part C

Part C of the Individuals with Disabilities Education Act (IDEA) is a federal law that establishes the Early Intervention Program for infants and toddlers with disabilities (birth through age 2) and their families. This law ensures that eligible children receive the services they need at no cost to families.

Who is Eligible?

  • Children with documented developmental delays
  • Children with diagnosed conditions likely to result in delay
  • At-risk children (in some states)

Core Principles

  • Family-centered approach
  • Natural environment services
  • Individualized services
  • Coordinated team approach

Developmental Milestones Checklist

2 Months Milestones
What most children can do by this age

Physical Development

  • Holds head up when lying on tummy
  • Moves both arms and legs
  • Opens hands briefly

Cognitive Development

  • Calms down when spoken to or picked up
  • Looks at your face
  • Seems happy to see you when you walk up to them

Communication

  • Makes sounds other than crying
  • Reacts to loud sounds

Social/Emotional

  • Smiles when you talk to or smile at them
  • Looks at you, moves, or makes sounds to get or keep your attention
4 Months Milestones
What most children can do by this age

Physical Development

  • Holds head steady without support when you are holding them
  • Holds a toy when you put it in their hand
  • Uses their arm to swing at toys

Cognitive Development

  • If hungry, opens mouth when they see breast or bottle
  • Looks at their hands with interest

Communication

  • Makes sounds like 'oooo', 'aahh' (cooing)
  • Makes sounds back when you talk to them
  • Turns head towards the sound of your voice

Social/Emotional

  • Smiles on their own to get your attention
  • Chuckles (not yet a full laugh) when you try to make them laugh
6 Months Milestones
What most children can do by this age

Physical Development

  • Rolls from tummy to back
  • Pushes up with straight arms when on tummy
  • Leans on hands to support themselves when sitting

Cognitive Development

  • Puts things in their mouth to explore them
  • Reaches to grab a toy they want
  • Closes lips to show they don't want more food

Communication

  • Takes turns making sounds with you
  • Blows 'raspberries' (sticks tongue out and blows)
  • Makes squealing noises

Social/Emotional

  • Knows familiar people
  • Likes to look at themselves in a mirror
  • Laughs
9 Months Milestones
What most children can do by this age

Physical Development

  • Gets to a sitting position by themselves
  • Moves things from one hand to the other hand
  • Uses fingers to 'rake' food towards themselves

Cognitive Development

  • Looks for objects when dropped out of sight
  • Bangs two things together

Communication

  • Makes a lot of different sounds like 'mamamama' and 'bababababa'
  • Lifts arms up to be picked up

Social/Emotional

  • Is shy, clingy, or fearful around strangers
  • Shows several facial expressions, like happy, sad, angry, and surprised
  • Looks when you call their name
12 Months Milestones
What most children can do by this age

Physical Development

  • Pulls up to stand
  • Walks, holding on to furniture
  • Drinks from a cup without a lid, as you hold it

Cognitive Development

  • Puts something in a container, like a block in a cup
  • Looks for things they see you hide, like a toy under a blanket

Communication

  • Says 'mama' and 'dada'
  • Calls a parent by name or makes sounds or gestures to get attention
  • Understands 'no' (pauses briefly or stops when you say it)

Social/Emotional

  • Plays games with you, like pat-a-cake
  • Waves 'bye-bye'
15 Months Milestones
What most children can do by this age

Physical Development

  • Takes a few steps on their own
  • Uses fingers to feed themselves some food

Cognitive Development

  • Copies other children while playing, like taking toys out of a container when another child does
  • Shows you an object they like
  • Claps when excited

Communication

  • Tries to say one or two words besides 'mama' or 'dada', like 'ba' for ball or 'da' for dog
  • Looks at a familiar object when you name it
  • Follows directions given with both a gesture and words

Social/Emotional

  • Copies you doing chores, like sweeping with a broom
  • Hugs stuffed animals or dolls
  • Shows you affection (hugs, cuddles, or kisses you)
18 Months Milestones
What most children can do by this age

Physical Development

  • Walks without holding on to anyone or anything
  • Scribbles
  • Drinks from a cup without a lid and may spill sometimes

Cognitive Development

  • Moves things from one container to another, like putting blocks in a cup
  • Points to ask for something or to get help

Communication

  • Tries to say three or more words besides 'mama' or 'dada'
  • Understands simple directions like 'put the toy in the box'

Social/Emotional

  • Copies you doing chores, like sweeping
  • Plays with toys in a simple way, like pushing a toy car
24 Months Milestones
What most children can do by this age

Physical Development

  • Kicks a ball
  • Runs
  • Walks (not climbs) up a few stairs with or without help

Cognitive Development

  • Holds something in one hand while using the other hand
  • Tries to use switches, knobs, or buttons on a toy
  • Plays with more than one toy at the same time

Communication

  • Points to things in a book when you ask, like 'Where is the bear?'
  • Says at least two words together, like 'More milk'
  • Points to at least two body parts when you ask them to show you

Social/Emotional

  • Notices when others are hurt or upset, like pausing or looking sad when someone is crying
  • Looks at your face to check your reaction when faced with something unfamiliar
  • Points to show you something interesting
30 Months Milestones
What most children can do by this age

Physical Development

  • Uses hands to twist things, like turning doorknobs or unscrewing lids
  • Takes some clothes off by themselves, like loose pants or an open jacket

Cognitive Development

  • Uses things to pretend, like feeding a doll with a toy spoon
  • Shows simple problem-solving skills, like standing on a small stool to reach something

Communication

  • Says about 50 words
  • Says two or more words together, with one action word, like 'Doggie run'
  • Names things in a book when you point and ask, 'What is this?'

Social/Emotional

  • Plays next to other children and sometimes plays with them
  • Shows you what they can do by saying, 'Look at me!'
  • Follows simple routines when told, like helping to pick up toys when you say, 'It's clean-up time'
36 Months Milestones
What most children can do by this age

Physical Development

  • Strings items together, like large beads or macaroni
  • Puts on some clothes by themselves, like loose pants or a jacket
  • Uses a fork

Cognitive Development

  • Draws a circle, when you show them how
  • Avoids touching hot objects, like a stove, when you warn them

Communication

  • Says about 100 words
  • Talks with you in conversation using at least two back-and-forth exchanges
  • Asks 'who,' 'what,' 'where,' or 'why' questions, like 'Where is mommy?'

Social/Emotional

  • Calms down within 10 minutes after you leave them, like at a childcare drop off
  • Notices other children and joins them to play

The Evaluation Process

Step 1: Referral

Anyone can refer a child for evaluation, including parents, doctors, childcare providers, or family members.

  • • Call your state's early intervention program
  • • Referral can be made at any time
  • • No doctor's referral required
Step 2: Evaluation

A comprehensive evaluation assesses your child's development in all areas.

  • • Conducted by qualified professionals
  • • Includes family input and concerns
  • • Takes place in natural settings when possible
Step 3: Eligibility

The team determines if your child is eligible for services based on evaluation results.

  • • Decision made within 45 days
  • • Family receives written results
  • • If eligible, IFSP development begins

What to Expect During Evaluation

Evaluation Areas

  • • Physical development (fine and gross motor)
  • • Cognitive development
  • • Communication development
  • • Social or emotional development
  • • Adaptive development (self-help skills)

Evaluation Methods

  • • Observation of child's play and interaction
  • • Parent interview and questionnaires
  • • Developmental assessments and screenings
  • • Review of medical and developmental history
  • • Input from other caregivers or providers

IFSP Development: Your Child's Roadmap

The Individualized Family Service Plan (IFSP) is a written plan that outlines the early intervention services your child and family will receive. It's developed collaboratively by you and your early intervention team.

What's Included in the IFSP
  • Present level of development: Your child's current abilities and needs
  • Family priorities and concerns: What matters most to your family
  • Outcomes: Specific, measurable goals for your child and family
  • Services: What services will be provided, when, where, and by whom
  • Transition plan: Planning for transition to preschool services at age 3
Your Rights and Protections
  • Written consent: You must agree to all services in writing
  • Confidentiality: Your child's information is protected
  • Dispute resolution: Options if you disagree with decisions
  • Review and revision: IFSP reviewed every 6 months, updated annually
  • No cost: Part C services are provided at no cost to families

Types of Early Intervention Services

Developmental Services

Support for cognitive, physical, communication, social or emotional, and adaptive development

Speech-Language Therapy

Help with communication skills, including speaking, understanding language, and feeding/swallowing

Occupational Therapy

Support for fine motor skills, sensory processing, and daily living activities

Physical Therapy

Help with gross motor skills, movement, and physical development

Psychological Services

Assessment and intervention for behavioral, social, and emotional needs

Family Training and Counseling

Support and training for families to help their child's development

Social Work Services

Case management, resource coordination, and family support

Nursing Services

Health-related services for children with medical needs

Nutrition Services

Assessment and intervention for feeding and nutrition concerns

Assistive Technology

Devices and services to help children participate in daily activities

State Early Intervention Programs Directory

Each state operates its own early intervention program under Part C of IDEA. While services are similar across states, program names and specific eligibility criteria may vary. Find your state's program below:

Alabama

Early Intervention System

Contact Methods:

Direct: 1-800-543-3098

• Call 2-1-1 for local referrals

• Search online: "Early Intervention System Alabama"

• Contact your pediatrician for referral

Find Contact Information →
Alaska

Infant Learning Program

Contact Methods:

• Call 2-1-1 for local referrals

• Search online: "Infant Learning Program Alaska"

• Contact your pediatrician for referral

Find Contact Information →
Arizona

AzEIP (Arizona Early Intervention Program)

Contact Methods:

• Call 2-1-1 for local referrals

• Search online: "AzEIP (Arizona Early Intervention Program) Arizona"

• Contact your pediatrician for referral

Find Contact Information →
Arkansas

First Connections

Contact Methods:

• Call 2-1-1 for local referrals

• Search online: "First Connections Arkansas"

• Contact your pediatrician for referral

Find Contact Information →
California

Early Start

Contact Methods:

Direct: 1-800-515-2229

• Call 2-1-1 for local referrals

• Search online: "Early Start California"

• Contact your pediatrician for referral

Find Contact Information →
Colorado

Early Intervention Colorado

Contact Methods:

• Call 2-1-1 for local referrals

• Search online: "Early Intervention Colorado Colorado"

• Contact your pediatrician for referral

Find Contact Information →
Connecticut

Birth to Three System

Contact Methods:

• Call 2-1-1 for local referrals

• Search online: "Birth to Three System Connecticut"

• Contact your pediatrician for referral

Find Contact Information →
Delaware

Child Development Watch

Contact Methods:

• Call 2-1-1 for local referrals

• Search online: "Child Development Watch Delaware"

• Contact your pediatrician for referral

Find Contact Information →
Florida

Early Steps

Contact Methods:

Website: floridaearlysteps.com

• Call 2-1-1 for local referrals

• Search online: "Early Steps Florida"

• Contact your pediatrician for referral

Find Contact Information →
Georgia

Babies Can't Wait

Contact Methods:

• Call 2-1-1 for local referrals

• Search online: "Babies Can't Wait Georgia"

• Contact your pediatrician for referral

Find Contact Information →
Hawaii

Early Intervention Section

Contact Methods:

• Call 2-1-1 for local referrals

• Search online: "Early Intervention Section Hawaii"

• Contact your pediatrician for referral

Find Contact Information →
Idaho

Infant Toddler Program

Contact Methods:

• Call 2-1-1 for local referrals

• Search online: "Infant Toddler Program Idaho"

• Contact your pediatrician for referral

Find Contact Information →
Illinois

Early Intervention

Contact Methods:

• Call 2-1-1 for local referrals

• Search online: "Early Intervention Illinois"

• Contact your pediatrician for referral

Find Contact Information →
Indiana

First Steps

Contact Methods:

• Call 2-1-1 for local referrals

• Search online: "First Steps Indiana"

• Contact your pediatrician for referral

Find Contact Information →
Iowa

Early ACCESS

Contact Methods:

• Call 2-1-1 for local referrals

• Search online: "Early ACCESS Iowa"

• Contact your pediatrician for referral

Find Contact Information →
Kansas

Tiny-k

Contact Methods:

• Call 2-1-1 for local referrals

• Search online: "Tiny-k Kansas"

• Contact your pediatrician for referral

Find Contact Information →
Kentucky

First Steps

Contact Methods:

• Call 2-1-1 for local referrals

• Search online: "First Steps Kentucky"

• Contact your pediatrician for referral

Find Contact Information →
Louisiana

EarliSteps

Contact Methods:

• Call 2-1-1 for local referrals

• Search online: "EarliSteps Louisiana"

• Contact your pediatrician for referral

Find Contact Information →
Maine

Child Development Services

Contact Methods:

• Call 2-1-1 for local referrals

• Search online: "Child Development Services Maine"

• Contact your pediatrician for referral

Find Contact Information →
Maryland

Infants and Toddlers Program

Contact Methods:

• Call 2-1-1 for local referrals

• Search online: "Infants and Toddlers Program Maryland"

• Contact your pediatrician for referral

Find Contact Information →
Massachusetts

Early Intervention

Contact Methods:

• Call 2-1-1 for local referrals

• Search online: "Early Intervention Massachusetts"

• Contact your pediatrician for referral

Find Contact Information →
Michigan

Early On Michigan

Contact Methods:

• Call 2-1-1 for local referrals

• Search online: "Early On Michigan Michigan"

• Contact your pediatrician for referral

Find Contact Information →
Minnesota

Help Me Grow

Contact Methods:

• Call 2-1-1 for local referrals

• Search online: "Help Me Grow Minnesota"

• Contact your pediatrician for referral

Find Contact Information →
Mississippi

First Steps

Contact Methods:

• Call 2-1-1 for local referrals

• Search online: "First Steps Mississippi"

• Contact your pediatrician for referral

Find Contact Information →
Missouri

First Steps

Contact Methods:

• Call 2-1-1 for local referrals

• Search online: "First Steps Missouri"

• Contact your pediatrician for referral

Find Contact Information →
Montana

Early Intervention

Contact Methods:

• Call 2-1-1 for local referrals

• Search online: "Early Intervention Montana"

• Contact your pediatrician for referral

Find Contact Information →
Nebraska

Early Development Network

Contact Methods:

• Call 2-1-1 for local referrals

• Search online: "Early Development Network Nebraska"

• Contact your pediatrician for referral

Find Contact Information →
Nevada

Early Intervention Services

Contact Methods:

• Call 2-1-1 for local referrals

• Search online: "Early Intervention Services Nevada"

• Contact your pediatrician for referral

Find Contact Information →
New Hampshire

Family Centered Early Supports & Services

Contact Methods:

• Call 2-1-1 for local referrals

• Search online: "Family Centered Early Supports & Services New Hampshire"

• Contact your pediatrician for referral

Find Contact Information →
New Jersey

Early Intervention System

Contact Methods:

• Call 2-1-1 for local referrals

• Search online: "Early Intervention System New Jersey"

• Contact your pediatrician for referral

Find Contact Information →
New Mexico

Family Infant Toddler Program

Contact Methods:

• Call 2-1-1 for local referrals

• Search online: "Family Infant Toddler Program New Mexico"

• Contact your pediatrician for referral

Find Contact Information →
New York

Early Intervention Program

Contact Methods:

• Call 2-1-1 for local referrals

• Search online: "Early Intervention Program New York"

• Contact your pediatrician for referral

Find Contact Information →
North Carolina

NC Infant-Toddler Program

Contact Methods:

• Call 2-1-1 for local referrals

• Search online: "NC Infant-Toddler Program North Carolina"

• Contact your pediatrician for referral

Find Contact Information →
North Dakota

Developmental Disabilities Unit

Contact Methods:

• Call 2-1-1 for local referrals

• Search online: "Developmental Disabilities Unit North Dakota"

• Contact your pediatrician for referral

Find Contact Information →
Ohio

Early Intervention

Contact Methods:

• Call 2-1-1 for local referrals

• Search online: "Early Intervention Ohio"

• Contact your pediatrician for referral

Find Contact Information →
Oklahoma

SoonerStart

Contact Methods:

• Call 2-1-1 for local referrals

• Search online: "SoonerStart Oklahoma"

• Contact your pediatrician for referral

Find Contact Information →
Oregon

Early Intervention/Early Childhood Special Education

Contact Methods:

• Call 2-1-1 for local referrals

• Search online: "Early Intervention/Early Childhood Special Education Oregon"

• Contact your pediatrician for referral

Find Contact Information →
Pennsylvania

Early Intervention

Contact Methods:

• Call 2-1-1 for local referrals

• Search online: "Early Intervention Pennsylvania"

• Contact your pediatrician for referral

Find Contact Information →
Rhode Island

Early Intervention

Contact Methods:

• Call 2-1-1 for local referrals

• Search online: "Early Intervention Rhode Island"

• Contact your pediatrician for referral

Find Contact Information →
South Carolina

BabyNet

Contact Methods:

• Call 2-1-1 for local referrals

• Search online: "BabyNet South Carolina"

• Contact your pediatrician for referral

Find Contact Information →
South Dakota

Early Intervention Services

Contact Methods:

• Call 2-1-1 for local referrals

• Search online: "Early Intervention Services South Dakota"

• Contact your pediatrician for referral

Find Contact Information →
Tennessee

Tennessee Early Intervention System

Contact Methods:

• Call 2-1-1 for local referrals

• Search online: "Tennessee Early Intervention System Tennessee"

• Contact your pediatrician for referral

Find Contact Information →
Texas

Early Childhood Intervention

Contact Methods:

• Call 2-1-1 for local referrals

• Search online: "Early Childhood Intervention Texas"

• Contact your pediatrician for referral

Find Contact Information →
Utah

Baby Watch Early Intervention

Contact Methods:

• Call 2-1-1 for local referrals

• Search online: "Baby Watch Early Intervention Utah"

• Contact your pediatrician for referral

Find Contact Information →
Vermont

Building Bright Futures

Contact Methods:

• Call 2-1-1 for local referrals

• Search online: "Building Bright Futures Vermont"

• Contact your pediatrician for referral

Find Contact Information →
Virginia

Early Intervention

Contact Methods:

• Call 2-1-1 for local referrals

• Search online: "Early Intervention Virginia"

• Contact your pediatrician for referral

Find Contact Information →
Washington

Early Support for Infants and Toddlers

Contact Methods:

• Call 2-1-1 for local referrals

• Search online: "Early Support for Infants and Toddlers Washington"

• Contact your pediatrician for referral

Find Contact Information →
West Virginia

Birth to Three

Contact Methods:

• Call 2-1-1 for local referrals

• Search online: "Birth to Three West Virginia"

• Contact your pediatrician for referral

Find Contact Information →
Wisconsin

Birth to 3 Program

Contact Methods:

• Call 2-1-1 for local referrals

• Search online: "Birth to 3 Program Wisconsin"

• Contact your pediatrician for referral

Find Contact Information →
Wyoming

Early Intervention and Education Program

Contact Methods:

• Call 2-1-1 for local referrals

• Search online: "Early Intervention and Education Program Wyoming"

• Contact your pediatrician for referral

Find Contact Information →

Addressing Common Concerns

Concern: "Will my child be labeled?"

Early intervention focuses on your child's strengths and helping them reach their potential. There are no diagnostic labels required for Part C services - only that your child has a delay or established condition.

  • • Services are family-centered, not deficit-focused
  • • Emphasis on building on existing strengths
  • • Private, confidential process
Concern: "What if my child doesn't really need help?"

Getting an evaluation doesn't commit you to services. If your child doesn't qualify, you'll have peace of mind. If they do qualify, early intervention can prevent small delays from becoming bigger problems.

  • • Evaluation is free and comprehensive
  • • You can decline services at any time
  • • Better to check early than wait and see
Concern: "I don't want strangers in my home"

While many services are provided in natural environments (often the home), the team will work with you to find comfortable settings. Services can also be provided in childcare, community settings, or clinics.

  • • You choose where services are provided
  • • Team members become trusted partners
  • • Natural environments help children generalize skills
Concern: "My child will catch up on their own"

Some children do catch up naturally, but early intervention helps ensure they reach their full potential. The earlier support is provided, the more effective it tends to be.

  • • Research shows early intervention is most effective
  • • Prevention is easier than remediation
  • • Builds foundation for future learning

Your Next Steps

Ready to Take Action?

If you have concerns about your child's development, trust your instincts. You are your child's best advocate, and seeking evaluation shows your commitment to their success.

Immediate Steps:

  1. 1. Document your specific concerns
  2. 2. Talk to your pediatrician
  3. 3. Contact your state's early intervention program
  4. 4. Request an evaluation

How to Contact Your State Program:

  • • Call 2-1-1 for local referrals
  • • Search online for your state's program name
  • • Ask your pediatrician for contact information
  • • Contact your local school district

Additional Resources

Milestone Tracking Tools
Support for Families

Frequently Asked Questions

How much do early intervention services cost?
What happens when my child turns 3?
Can I get early intervention services if my child is in childcare?
What if I disagree with the evaluation results?

Your Child's Development Matters

Early intervention can make a lasting difference in your child's life. Trust your instincts, seek support when you need it, and remember that asking for help is a sign of strength, not weakness.