Living with Ring chromosome 9
A very rare chromosome change with slow growth, learning difficulties, and a small head, though some people are generally healthy.
Understanding Ring chromosome 9
The ring may be missing genes or have extra copies, so effects vary a lot. Some people have slow growth, short height, learning disabilities, a small head, and low muscle tone. Others are generally healthy with no major birth defects. It is noticed during pregnancy or as a newborn.
Signs & symptoms
Symptoms vary from person to person. GARD lists these among the most common:
- Global developmental delay
- Intellectual disability
- Delayed speech and language
- Slow growth and poor weight gain
- Small head size (microcephaly)
- Long philtrum and wide nasal bridge
Not everyone has every symptom. GARD's list comes from the Human Phenotype Ontology.
Diagnosis
- 1Talk with your doctor
Share the symptoms you've noticed, when they started and your family health history. Notes and photos can help.
- 2See a specialist
Specialists who may be involved include genetic specialists.
- 3Ask 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 9p Minus Network and other patient organizations
- 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
Quick facts
It usually is not inherited and happens by chance when egg or sperm cells form, or soon after. Sometimes a parent has a chromosome 9 change, so testing of both parents can help.
Also known as: chromosome 9 ring; ring 9; ring chromosome 9 syndrome; ring chromosome type 9
Patient organizations
- Chromosome 9p Minus NetworkRing chromosome 9 · United States
- Chromosome Disorder OutreachChromosome disorders · United States
You are more than your diagnosis
Perspectives from people navigating life with Ring chromosome 9.
Explore research for Ring chromosome 9
Explore actively recruiting Ring chromosome 9 studies with HealthSpark.
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- Recruiting studies from ClinicalTrials.gov
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- 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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