Skip to content
knowrare
HealthSignal
Your condition community

Living with Maternal uniparental disomy of chromosome 13

A change in which a person gets both copies of chromosome 13 from the mother, usually with no effect on health.

Understanding Maternal uniparental disomy of chromosome 13

Maternal uniparental disomy of chromosome 13 is a change in which both copies of chromosome 13 come from the mother.

GARD says it most likely has no visible effect, except when the mother carries a recessive disease gene change and the person receives two copies of it. GARD lists adult as the age of onset.

Signs & symptoms

GARD doesn't list specific symptoms for this condition yet.

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
Could genetic testing show whether a recessive condition is involved?
Does this finding affect my health or care?
Does this matter for family planning?

Quick facts

Symptoms usually startAdult

Both copies of chromosome 13 come from the mother. Health effects arise only if the mother carries a recessive disease gene change and the person gets two copies of it.

Genetic

Also known as: maternal uniparental disomy of chromosome type 13; upd(13)mat

Patient organizations

Broader rare-disease groups

Source: NIH GARD · Maternal uniparental disomy of chromosome 13GARD ID 19382 · 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 Maternal uniparental disomy of chromosome 13.

Explore the Maternal uniparental disomy of chromosome 13 blog

Explore research for Maternal uniparental disomy of chromosome 13

Explore actively recruiting Maternal uniparental disomy of chromosome 13 studies with HealthSpark.

HealthSpark

Find actively recruiting studies for Maternal uniparental disomy of chromosome 13 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

Powered by HealthSpark, our AI chat helper

I can help you find recruiting Maternal uniparental disomy of chromosome 13 studies. Enter a ZIP code, address or city below and I'll look within 50 miles.

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

Get Signals for Maternal uniparental disomy of chromosome 13

Stay in the loop with community stories and updates from medical researchers.

HealthStoryfor Maternal uniparental disomy of chromosome 13

Create a living journal that talks back

HealthStory evolves private journaling with a living AI journal that talks back and asks thoughtful questions, helping you capture your Maternal uniparental disomy of chromosome 13 experiences more deeply and prepare for better conversations with your doctors and care team.

Start your journal

Your journal is private. Sharing your story publicly is a separate choice, made with Share your story above.