Your child is under three. You have concerns. What do you do now?
If you’re a new parent and you’re worried about your child’s development, you may hear someone say:
“Have you contacted Early Intervention?”
And if you’ve never heard that phrase before, you might be thinking:
What exactly is Early Intervention?
Is it therapy?
Is it school?
Is it medical care?
Do I need a diagnosis?
How do I sign up?
And perhaps the biggest question:
“Am I overreacting?”
Let’s start there.
No. You’re allowed to ask.
You don’t need to wait until you’re absolutely certain that something is wrong.
Early Intervention exists specifically to identify and support infants and toddlers who may have developmental delays or disabilities.
Under the federal Individuals with Disabilities Education Act, commonly called IDEA, early intervention for eligible infants and toddlers is covered under Part C.
States administer their own Part C programs, so the name and the way you apply can vary depending on where you live.
But the basic idea is the same:
Find concerns early. Evaluate the child. Support development. Support the family.
And honestly, that last part is important.
Support the family.
What Is Early Intervention?
Early Intervention is a system of services for eligible infants and toddlers from birth through age three.
The goal isn’t simply to “fix” something about your child.
IDEA describes early intervention services as developmental services designed to meet the needs of the child and the needs of the family in helping the child develop.
Services can address areas including:
- Physical development
- Cognitive development
- Communication
- Social and emotional development
- Adaptive development
Depending on the child’s needs, services can include things such as:
- Speech-language services
- Occupational therapy
- Physical therapy
- Special instruction
- Family training and counseling
- Social work
- Assistive technology
- Other developmental and family supports
The exact services available and how they are delivered depend on the child’s needs, the family’s priorities, and the state’s program.
You Don’t Necessarily Need a Diagnosis First
This is one of the biggest things I want parents to understand.
If you are concerned about your baby’s or toddler’s development, you can ask about early intervention.
You don’t necessarily need to walk into the process with a neatly packaged medical diagnosis.
States have a “child find” responsibility under IDEA Part C to identify, locate, and evaluate infants and toddlers who may be eligible for early intervention. Parents are also specifically listed among the primary referral sources.
That means you don’t have to wait for somebody else to notice.
You can make the referral.
You can say:
“I’m concerned about my child’s development and I’d like to find out whether they qualify for early intervention.”
That’s enough to start the conversation.
How Do I Sign Up?
This is where things get a little annoying.
Because there isn’t one giant “EARLY INTERVENTION — CLICK HERE” button for the entire United States.
Each state has its own Part C system.
The federal government provides the framework, but states designate the agencies and programs responsible for administering early intervention. The U.S. Department of Education maintains information about state Part C programs and coordinators.
Here’s the basic process:
Step 1: Find your state’s Part C program.
Search:
“[Your State] Early Intervention Part C”
or
“[Your State] infant toddler early intervention”
You can also use the U.S. Department of Education’s IDEA state contacts to find your state’s early intervention program.
Step 2: Make a referral.
Depending on your state, you may be able to:
- Call
- Complete an online referral
- Ask your pediatrician to make a referral
- Contact a local early intervention agency
- Contact another approved referral source
But here’s the important part:
You can ask for a referral yourself.
Parents are explicitly recognized as primary referral sources under IDEA Part C.
What Happens After You Call?
Generally, the next step is determining whether your child needs an evaluation or assessment to determine eligibility.
The exact process and timelines vary by state.
You may have conversations with an early intervention coordinator.
You may complete developmental questionnaires.
Professionals may observe your child.
Your child may receive developmental evaluations or assessments.
And you will have an opportunity to tell them what you are seeing.
Don’t underestimate that part.
You know your child.
You know what happens at 3 a.m.
You know what happens at the grocery store.
You know what happens when you try to get dressed.
You know what happens when someone talks to your child.
You know what happens when the routine changes.
Those observations matter.
What Is an IFSP?
Here’s the acronym you’re going to want to know:
IFSP
Individualized Family Service Plan
Think of the IFSP as the roadmap for early intervention.
And there’s a reason it’s called a Family Service Plan.
The plan isn’t just about what the therapist wants to work on.
The IFSP is developed with the family and is based on the child’s needs as well as the family’s resources, priorities, and concerns.
That’s a pretty significant difference in philosophy.
You’re not simply handing your child over to a service provider.
You are part of the team.
What Goes Into an IFSP?
The IFSP is designed around your individual child and family.
It can include information about:
- Your child’s current developmental strengths and needs
- Your family’s concerns and priorities
- Desired outcomes
- Services your child will receive
- How and where services will be delivered
- Who will provide services
- How often services will occur
- How the plan will be reviewed
- Transition planning as your child approaches age three
The goal is to create a coordinated plan rather than having five different professionals working independently without anyone looking at the bigger picture.
One Thing I Really Want Parents to Notice
Early Intervention is supposed to be family-centered.
That doesn’t mean the family has to become a therapist.
It means the people supporting your child should help you understand how to support development in everyday life.
IDEA specifically describes services such as family training, counseling, and home visits as part of the Part C service framework. Special instruction can also include giving families information, skills, and support related to their child’s development.
So instead of thinking:
“My child goes to therapy for an hour.”
Think:
“How can we help my child practice these skills during everyday life?”
Mealtime.
Bath time.
Getting dressed.
Playing.
Reading.
Going to the grocery store.
Going outside.
Talking.
Moving.
Interacting with siblings.
Those ordinary moments can become opportunities for development.
Where Do Early Intervention Services Happen?
One of the key concepts in Part C is the natural environment.
To the maximum extent appropriate, early intervention services are provided in natural environments—places where infants and toddlers without disabilities would typically spend time.
That can mean:
- Home
- Child care
- Community settings
- Other familiar environments
The point isn’t simply convenience.
It’s about helping children develop skills in the environments where those skills actually matter.
What If My Child Doesn’t Qualify?
This is an important possibility.
Not every child referred to Early Intervention will meet the state’s eligibility requirements.
And eligibility rules can vary from state to state.
If your child isn’t eligible, that doesn’t mean:
“Everything is fine and you’re imagining things.”
It means your child didn’t meet that program’s eligibility criteria at that point in time.
You can still talk with your pediatrician about developmental concerns.
You can ask what other community resources are available.
And keep monitoring development.
Your child’s needs can change.
Don’t Wait Until the Third Birthday
This is important.
If your child is approaching three, don’t put off making a referral.
Part C is the infant-and-toddler system, and children eventually transition to preschool or other appropriate services.
IDEA requires states to have transition procedures designed to create a smooth transition from Part C to preschool or other appropriate services.
For children who may be eligible for preschool special education under IDEA Part B, federal regulations include transition notification and conference requirements, with specific timelines around the third birthday.
And remember:
Turning three doesn’t mean services suddenly disappear.
It means the system may change.
That’s a very important distinction.
The Transition to Preschool
This is where you may start hearing another acronym:
IEP
Individualized Education Program
An IFSP and an IEP are not the same thing.
The IFSP belongs to the Part C early intervention system.
The IEP belongs to the Part B special education system.
And while the two systems are connected, the transition needs to be planned.
As your child approaches three, ask:
What happens next?
Does my child need an evaluation for preschool special education?
Who is responsible for the referral?
What happens if my child qualifies?
What happens if my child doesn’t qualify?
What services are available in my community?
Don’t be afraid to ask these questions early.
If You’re Feeling Overwhelmed…
You are allowed to be.
This is a lot.
You may have just received a diagnosis.
You may still be processing what it means.
You may be scheduling appointments.
You may be worrying about your child’s future.
And now someone is handing you an acronym:
IFSP.
Take a breath.
You don’t need to become an expert overnight.
Start with one phone call.
Then one evaluation.
Then one meeting.
Then one plan.
You can learn the rest as you go.
What I Would Do If I Were Starting Today
If I had a baby or toddler and I was concerned about development, I would make a short list.
1. Write down what I’m seeing.
Don’t rely on memory.
Write specific examples.
2. Talk with the child’s pediatrician.
Bring your concerns.
3. Find my state’s Part C Early Intervention program.
Don’t assume someone else will automatically do it.
4. Make the referral.
You can be the person who starts the process.
5. Keep every document.
Evaluations.
Reports.
Emails.
Plans.
Names.
Phone numbers.
6. Ask questions.
Lots of them.
7. Start thinking about the transition to age three early.
Because three comes faster than you think.
The Most Important Thing
Early Intervention isn’t about predicting your child’s entire future.
It’s about supporting your child right now.
Your child may need services for a few months.
They may need them for several years.
They may transition into preschool special education.
They may not.
You don’t have to know that today.
You just need to ask:
“What does my child need right now, and how can I help them get it?”
That’s where the journey starts.
And if you’re standing at the beginning of this journey feeling completely lost?
Welcome to Underland.
We’ve all had to learn the map.
You don’t have to learn it all at once.


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