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Living with Distal monosomy 7p

A rare chromosome condition that can affect learning, the heart, the hands and feet, and the shape of the skull.

Understanding Distal monosomy 7p

Distal monosomy 7p is a rare condition caused by a missing piece of the short arm of chromosome 7.

People with this condition often have delayed development and intellectual disability. Differences in the fingers and toes, heart, and urinary and genital systems may occur. Specific facial and skull features are common, including craniosynostosis, where the bones of the skull join too early. Signs begin during pregnancy or in the newborn period.

Signs & symptoms

GARD doesn't list common symptoms for this condition, but the summary describes these features:

  • Delays in development
  • Intellectual disability
  • Differences in the fingers and toes
  • Heart differences
  • Urinary or genital differences
  • Skull bones that join early (craniosynostosis)

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
How should craniosynostosis be monitored or treated?
What heart and kidney checks do you suggest?
Which early intervention programs could help my child?

Quick facts

Symptoms usually startduring Pregnancy and as a Newborn

GARD says changes in a person's genes cause this condition. The summary describes it as a partial loss of the short arm of chromosome 7.

Genetic

Also known as: distal deletion 7p; distal monosomy 7p syndrome; distal monosomy type 7p; monosomy 7pter; telomeric deletion 7p

Patient organizations

Broader rare-disease groups

Source: NIH GARD · Distal monosomy 7pGARD ID 19325 · 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 Distal monosomy 7p.

Explore the Distal monosomy 7p blog

Explore research for Distal monosomy 7p

Explore actively recruiting Distal monosomy 7p studies with HealthSpark.

HealthSpark

Find actively recruiting studies for Distal monosomy 7p 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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