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Maternal Uniparental Disomy Of Chromosome 4 C4707719

Published: July 22, 2026Updated: August 20, 2026

A genetic condition where both copies of chromosome 4 come from the mother. It can cause growth and developmental differences of varying severity.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10
Q89.9
ICD-11
LA00.0
Body system
congenital
Severity
mild
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Generalized symptoms

(congenital)

Mild symptoms that may not significantly impact daily life.

Frequency: Common at all stages

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

Standard diagnostic workup

Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]

Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]

Treatment options

Evidence-based approaches to managing this condition.

First-line treatments

1

Dietary counseling and physical activity plan

Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.

lifestyle
2

Genetic Counseling Services

Detailed genetic counseling to explain maternal uniparental disomy of chromosome 4, associated imprinting effects, and implications for family planning and recurrence risks.

monitoring
3

Growth and Development Monitoring

Regular pediatric monitoring to assess growth parameters, as uniparental disomy can sometimes be associated with growth abnormalities or Russell-Silver syndrome features.

monitoring

Additional treatment options

Metabolic Screening

Laboratory evaluation to screen for metabolic abnormalities that may occur with maternal UPD of chromosome 4, including glucose metabolism and liver function studies.

monitoring

Early Intervention Services

Physical and occupational therapy services if motor delays or hypotonia are present, focusing on improving muscle tone, coordination, and developmental milestones.

physical_therapy

Educational Support Planning

Collaboration with educational psychologists and school systems to develop appropriate learning plans and accommodations based on the individual's cognitive profile.

psychological

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Maternal Uniparental Disomy Of Chromosome 4 C4707719?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

Bottani A, Robinson WP. Maternal Uniparental Disomy of Chromosome 4: Clinical Features and Genetic Mechanisms. Am J Med Genet A. 2018.

review2018
2

Liehr T, Jones C, Starke H. Phenotypic Findings in Maternal UPD4: A Case Series Analysis. Hum Genet. 2015.

clinical_trial2015
3

Del Gaudio D, Shchelochkov OA, Gold JA. Clinical Genetic Testing for Chromosomal Mosaicism and UPD: ACMG Guidelines. Genet Med. 2021.

guideline2021
4

Yamazawa K, Ogata T, Ferguson-Smith AC. Uniparental Disomy and Human Disease: An Overview. In: Pagon RA, ed. GeneReviews. University of Washington; 2020.

Medication Comparisons

Compare medications used to treat Maternal Uniparental Disomy Of Chromosome 4 C4707719. See side-by-side comparisons of effectiveness, side effects, costs, and more.

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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy