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Living with 2p13.2 microdeletion syndrome

A rare chromosome condition that can bring delayed development, learning challenges, and behavior differences.

Understanding 2p13.2 microdeletion syndrome

2p13.2 microdeletion syndrome is a rare chromosome condition caused by a missing piece of chromosome 2.

People with this condition have global developmental delay and intellectual disability. Behavior differences include hyperactivity, attention problems, and autistic behaviors. Other possible features are a short, wide head shape (brachycephaly), fused spine bones, mild stiffness in the knees and elbows, and feeding difficulties in infancy. GARD lists onset as the newborn and infant period.

Signs & symptoms

GARD doesn't list specific symptoms for this condition yet. The summary describes these features:

  • Global developmental delay
  • Intellectual disability
  • Hyperactivity
  • Attention problems
  • Autistic behaviors
  • Feeding difficulties in infancy

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 brain and nervous system specialists and 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
Brain and nervous system specialists (neurologists); 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
What therapies can support my child's development?
Should my child be evaluated for ADHD or autism?
Do my child's spine or joints need to be checked?

Quick facts

Symptoms usually startNewborn and as an Infant
InheritanceAutosomal Dominant

GARD says changes in genes (also called variants) cause this condition. The summary describes a partial loss (monosomy) of chromosome 2, and it is listed as autosomal dominant.

GeneticNeurological

Also known as: del(2)(p13.2)

Patient organizations

Broader rare-disease groups

Source: NIH GARD · 2p13.2 microdeletion syndromeGARD ID 21557 · 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 2p13.2 microdeletion syndrome.

Explore the 2p13.2 microdeletion syndrome blog

Explore research for 2p13.2 microdeletion syndrome

Explore actively recruiting 2p13.2 microdeletion syndrome studies with HealthSpark.

HealthSpark

Find actively recruiting studies for 2p13.2 microdeletion syndrome 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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