We are the International Hip Dysplasia Institute.


What is Hip Dysplasia?

  • Hip Dysplasia means that the bones of the hip joint are not aligned properly.
  • Hip Dysplasia affects thousands of children and adults each year.
  • Hip Dysplasia has many different names:
    • Developmental Dysplasia of the Hip – DDH
    • Congenital Dislocation of the Hip – CDH
    • Neonatal Hip Instability – NHI
    • Acetabular Dysplasia
  • Hip Dysplasia prevents the hip joint from working properly and the joint wears out much faster than normal, much like a car’s tires will wear our faster when out of alignment.
  • Hip Dysplasia also begins as a “silent” condition so that pain is uncommon until later stages. This makes Hip Dysplasia harder to detect and more difficult to treat unless detected.

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1 in 10

infants are born with hip instability.

1 in 100

infants are treated for hip dysplasia.

1 in 500

infants are born with completely dislocated hips.

1 in 10

total hip replacements are because of hip dysplasia.


Adult hip displaysia 9 times more common than infantile hip dysplasia.

<50 years

The most common cause of hip arthritis before age 50 is hip dysplasia.


How is hip dysplasia

Diagnosis & Treatment Options

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healthy hip development.

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Learn how teens can
get treated.

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What's life like with
hip dysplasia?

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What questions should
you be asking?

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Early diagnosis provides
more options.

Diagnosis Starts Here

Learn about surgery and
non-operative treatments.

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Products, blogs, groups, forums
and other resources.

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Featured Stories from Patients

Kaydence’s Story

Kaydence’s Story

Kaydence was born January 25th 2012. She was just beautiful. I had her by a schedule c-section and everything went great! Kaydence was a normal…

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At 20 weeks pregnant, an ultrasound showed that my little boy was breech. They said he had plenty of time to flip around, but at…

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I’d like to share my story and share awareness. For the past 12 years I’ve been too uncomfortable with my scars and lost my confidence…

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Hey everyone! My name is Hannah and I am 17 years old. I am currently a patient at Children’s Healthcare of Atlanta. My journey with…

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Hello- I am writing this story with the hope of receiving some insight and advice from those who have been in a similar position. I…

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Kara’s Story

Kara’s Story

My name is Kara. I am 19 years old and was diagnosed with Hip Dysplasia when I was 17. I have always been a very…

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Read the stories of our advocates, sponsors, donors and partners.

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What is the International Hip Dysplasia Institute?

The International Hip Dysplasia Institute (IHDI) is a collaborative, international, not-for-profit effort. Our goal is to provide education to patients, families, and physicians as the most comprehensive and reliable resource for knowledge about hip dysplasia in its various forms.

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Latest News

Babywearing Research Confirms Hip Healthy Position in Wide-Base Carriers 

An April 20, 2023, research study in the Journal of Orthopedic Research confirms that wide-base carriers hold an infant’s hips…
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New IHDI Director Launches Podcast: Straight From The Hip

Straight From The Hip By pablocastaneda This podcast is for anyone who wants to learn more about pediatric hip problems,…
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SICOT 2022

AT 90 years old SICOT, the Société Internationale de Chirurgie Orthopédique et de Traumatologie, is an international non-profit association incorporated under…
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