Skip to content
How It Works
Explore
Resources Ask a Question
Who It's For
Patients
Decode results, prep for appointments, weigh options.
Caregivers & advocates
Carry the research load for someone you love.
Providers & clinicians
Resources for patients in your practice.
Log In Ask a Question
PubMed This is a summary of 64 peer-reviewed journal articles Updated
Pediatrics

Understanding Your Child's Microtia Diagnosis

At a Glance

Microtia is a condition where a baby's outer ear is underdeveloped, often accompanied by a missing ear canal. While this causes conductive hearing loss, the inner ear is usually completely healthy. Early intervention with hearing devices ensures normal speech and language development.

Finding out your baby has an ear difference can feel overwhelming and isolating. You may be experiencing a whirlwind of emotions, from confusion to a deep sense of worry about your child’s future. It is important to know that these feelings are a normal part of processing a new diagnosis. Most importantly, you are not alone, and your child’s journey is just beginning.

Three Stabilizing Facts

In the first few days and weeks, it is helpful to ground yourself in these three fundamental truths:

  1. This is not your fault. Microtia is a complex, multifactorial condition, meaning it is caused by a combination of genetic and environmental factors that are mostly beyond anyone’s control [1][2]. There is no single thing you did or didn’t do that caused this [1].
  2. Your child’s brain is ready to learn. Even with microtia, the inner ear (the part that sends sound to the brain) is often completely healthy [3]. With early intervention, children with microtia can develop speech and language skills on par with their peers [4][5].
  3. You have time. While hearing should be addressed early, decisions about surgery and reconstruction do not need to be made today, or even this year [3].

Defining Microtia and Atresia

To advocate for your child, it helps to understand the terminology you will hear from doctors.

  • Microtia: This term literally means “small ear.” It occurs when the external ear does not fully develop during pregnancy [3].
  • Aural Atresia: This often accompanies microtia. It is the absence or narrowing of the ear canal [3]. Because the ear canal is missing, sound cannot easily reach the eardrum, leading to conductive hearing loss.

Navigating This Guide

This guide is designed to empower you with evidence-based information so you can act as the “CEO” of your child’s care. We encourage you to explore the following topics at your own pace:

01

Grades, Syndromes, and the Biology of Microtia

Learn about the four grades of microtia, the difference between isolated and syndromic cases, and why kidney and heart screenings are vital for your child.

02

Hearing Loss and Early Intervention for Microtia

Learn about conductive hearing loss in microtia. Understand aural atresia, ABR hearing tests, and why softband bone-conduction devices are vital for babies.

03

Choosing a Reconstruction Path: Surgery and Prosthetics

Explore microtia ear reconstruction options for your child. Learn about rib cartilage surgery, Medpor synthetic frames, canalplasty, and prosthetic ears.

04

Building Your Child's Multidisciplinary Care Team

Learn how to assemble a multidisciplinary care team for your child's microtia. Understand which specialists are needed and how to vet expert surgeons.

05

What to Expect: From Infancy to Adulthood

Learn what to expect when raising a child with microtia from infancy to adulthood. Understand developmental milestones, listening fatigue, and social support.

Common questions in this guide

What causes my baby's microtia?
Microtia is a multifactorial condition, meaning it results from a complex combination of genetic and environmental factors. It is very important for parents to know that it is not caused by anything they did or did not do during pregnancy.
What is aural atresia and how does it relate to microtia?
Aural atresia is the absence or severe narrowing of the ear canal. It very often happens alongside microtia. Because the ear canal is missing, sound cannot travel to the eardrum, which results in conductive hearing loss.
Will my child with microtia be able to hear?
Yes. Even though the outer ear and canal may be affected, the inner ear is usually entirely healthy. By using early interventions like bone-conduction headbands, sound can be transmitted to the inner ear so your child can hear and develop speech normally.
Do we need to decide on ear reconstruction surgery right away?
While supporting your child's hearing should begin early, you do not need to rush decisions about surgical ear reconstruction. You have plenty of time to explore options like rib cartilage surgery, Medpor implants, or prosthetics as your child grows.
When should my baby have the ABR hearing test?
You should ask your doctor to specify the exact timeframe for scheduling the diagnostic ABR test. This test is crucial for accurately assessing your baby's hearing so early intervention can begin.

Questions to Ask Your Doctor

Curated prompts to bring to your next appointment.

  1. 1.Based on my child's physical exam, do you suspect isolated microtia or should we look for a syndrome?
  2. 2.What is the exact timeframe we should aim for to get the diagnostic ABR test done?
  3. 3.Who will be our main point of contact or care coordinator as we navigate these first few months?

Questions For You

Tap a prompt to share your answer — we'll use it plus this page's context to start a tailored conversation.

References

References (5)
  1. 1

    Predicting the Risk of Microtia From Prenatal Factors: A Hospital-Based Case-Control Study.

    Chen W, Sun M, Zhang Y, et al.

    Frontiers in pediatrics 2022; (10()):851872 doi:10.3389/fped.2022.851872.

    PMID: 35529334
  2. 2

    Genetic Advances in the Understanding of Microtia.

    Gendron C, Schwentker A, van Aalst JA

    Journal of pediatric genetics 2016; (5(4)):189-197 doi:10.1055/s-0036-1592422.

    PMID: 27895971
  3. 3

    International Consensus Recommendations on Microtia, Aural Atresia and Functional Ear Reconstruction.

    Zhang TY, Bulstrode N, Chang KW, et al.

    The journal of international advanced otology 2019; (15(2)):204-208 doi:10.5152/iao.2019.7383.

    PMID: 31418720
  4. 4

    Long-term evaluation of development in patients with bilateral microtia using softband bone conducted hearing devices.

    Fan Y, Niu X, Chen Y, et al.

    International journal of pediatric otorhinolaryngology 2020; (138()):110367 doi:10.1016/j.ijporl.2020.110367.

    PMID: 33152961
  5. 5

    Hearing improvement with softband and implanted bone-anchored hearing devices and modified implantation surgery in patients with bilateral microtia-atresia.

    Wang Y, Fan X, Wang P, et al.

    International journal of pediatric otorhinolaryngology 2018; (104()):120-125 doi:10.1016/j.ijporl.2017.11.010.

    PMID: 29287851

This guide is for informational purposes only and does not replace professional medical advice. Always consult your pediatric care team and specialists regarding your child's specific microtia diagnosis and care plan.

Get notified when new evidence is published on Microtia.

We monitor PubMed for new peer-reviewed studies on this topic and email a short summary when something meaningful changes.