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90% of hip dysplasia cases are diagnosed in teens and adults

What causes hip dysplasia in teens?

There is typically two causes of hip dysplasia presenting in the teenage years. Unresolved hip dysplasia following treatment in early childhood is one cause, however this is not the most common cause. Shallow hip sockets are the most common cause of both teenage and adult hip dysplasia. 

Over the last decade The International Hip Dysplasia Institute has been on the leading edge of research efforts into teen and adult hip dysplasia.

How common is adult hip dysplasia?

Hip dysplasia in adults is the most common cause of hip arthritis before fifty.

Why didn’t doctors diagnose me when I was a baby?

It is becoming more and more clear that dysplasia can develop after infancy. The International Hip Dysplasia Institute is attempting to answer some of these questions.

What happens if Adult Hip Dysplasia goes untreated?

Hip dysplasia in adults that is not treated will worsen and eventually require total joint replacement. 

Sourced from the International Hip Dysplasia Institute 

Further information:

Hip Dysplasia Overview

Signs & Symptoms



Page Reviewed:  22 January 2024. Information sources available here.


This information is intended to support, not replace, discussion with your doctor or healthcare professionals. Every effort is made to ensure this information is up to date, accurate and easy to understand. Healthy Hips Australia accepts no responsibility for any inaccuracies, information perceived as misleading. This can be reproduce with acknowledgement to Healthy Hips Australia. Handouts are available to download free of charge at www.healthyhipsaustralia.org.au