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Living with Trisomy 10p

A chromosome condition with an extra piece of chromosome 10 that can affect growth, development, and the face.

Understanding Trisomy 10p

Trisomy 10p is a chromosome condition in which there is an extra copy of genetic material on the short arm (p) of chromosome 10.

How it affects a person depends on the size and place of the duplication. It can include delays in development, motor skills, or growth, low muscle tone, foot differences such as clubfoot, cleft lip or palate, seizures, and a heart defect. Signs appear in the newborn period or infancy.

Signs & symptoms

Symptoms vary from person to person. GARD lists these among the most common:

  • Delayed growth and development
  • Intellectual disability
  • Seizures
  • Differences in the face, ears, or eyes
  • Wide-set eyes (hypertelorism)
  • Foot or hand differences

Not everyone has every symptom. GARD's list comes from the Human Phenotype Ontology.

Diagnosis

  1. Talk with your doctor

    Share the symptoms you've noticed, when they started and your family health history. Notes and photos can help.

  2. See a specialist

    Specialists who may be involved include genetic specialists.

  3. Ask which tests can help

    Your care team will decide which exams and tests can confirm the diagnosis.

Care & treatment

Care team
Genetic specialists (geneticists)
Expert care
Ask about multidisciplinary care centers for rare conditions
Treatment
GARD doesn't list specific treatments for this condition. Your care team will tailor care to your symptoms.
Research
Clinical trials and observational studies may be options. See the research section below.

General information, not medical advice. Your care team makes the decisions.

Everyday life

Living with a rare condition is easier with support.

  • Connect with Chromosome Disorder Outreach
  • Keep notes on symptoms, changes and questions for appointments
  • Ask about patient registries that help research
  • Look into financial aid and travel resources for care visits
Bring these questions to your next doctor visit
Would chromosome testing of both parents help?
What does the size of the duplication mean for my child?
Which specialists should check the heart, hearing, and development?

Quick facts

Symptoms usually startNewborn and as an Infant

It is caused by an extra piece of chromosome 10. Some duplications are not inherited. In others, a parent has a chromosome rearrangement, such as a balanced translocation, that usually causes no health problems.

Genetic

Also known as: chromosome 10, trisomy 10p; trisomy type 10p

Patient organizations

Broader rare-disease groups

Source: NIH GARD · Trisomy 10pGARD ID 5299 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

You are more than your diagnosis

Perspectives from people navigating life with Trisomy 10p.

Explore the Trisomy 10p blog

Explore research for Trisomy 10p

Explore actively recruiting Trisomy 10p studies with HealthSpark.

HealthSpark

Find actively recruiting studies for Trisomy 10p with HealthSpark. Share your city to explore research near you.

  • Recruiting studies from ClinicalTrials.gov
  • Share your city to look for research near you
  • Eligibility is confirmed by the study team

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Powered by HealthSpark, our AI chat helper · Study information from ClinicalTrials.gov · Eligibility is confirmed by the study team.

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