Intellectual Disability

Understanding development related symptoms and features

Symptoms may affect multiple parts of the body. Understanding which part of the body a symptom affects, can help us to better understand the potential underlying causes of a symptom, including a rare disease or genetic syndrome.

Developmental symptoms may affect different parts of an individual’s development. These include their emotional and social development, their physical development, as well as their cognitive and communication skills.

Developmental milestones help to track a child’s developmental progress and flag under delay. A delay may be isolated or accompanied by other developmental delays either in the same area and/or in other areas too.

Symptoms relating to development may be many and wide-ranging. They can include a walking delay, issues with speech and language including late talking, trouble socializing with others or with showing emotion.

What is intellectual disability?

One known as mental retardation, the measurement of intellectual disability is an IQ of below 70.

The term should not be used to describe anyone below the age of 5 years old.

Intellectual disability converts the intellectual ability and functioning of an individual as well as what is known as their adaptive behavior- the ability to handle everyday personal and social skills. Individuals with intellectual disabilities may take longer to learn certain skills, or may not manage to learn others.

There are types of the feature- from mild to severe. It is one of the most common disabilities in the US, with over 6.5 million people currently diagnosed with intellectual disability.

What should I do next?

In some instances intellectual disability may be one of the features of a rare disease or genetic syndrome. In this case fast, targeted genetic analysis can give you a more accurate diagnosis.

FDNA™ Health can help you with the diagnostic journey.

Learn about child developmental delays: Causes, Symptoms, and Therapies.
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"Our road to diagnose the cause for our child's developmental delays was a 5-year journey that I can only describe as trying to take a road trip with no map. Now we have hope."


Paula and Bobby
Parents of Lillie

What is FDNA Health?

With the largest global database and a leading decision-support tool using AI, FDNA™ Health enables patients and their families to better understand symptoms and conditions with the goal of shortening the time to diagnosis.

Benefits of FDNA Health

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Learn here about symptoms and conditions and contact your clinician.