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Monosomy X C0242526

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

A chromosomal condition in females where one X chromosome is partially or completely missing. It can affect growth, development, and puberty. Treatment addresses individual symptoms and may include hormone therapy.

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
moderate
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Generalized symptoms

(congenital)

Noticeable symptoms that may vary in intensity over time.

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

Behavioral and nutritional therapy

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
2

Hormone Replacement Therapy

Estrogen replacement therapy to induce puberty, maintain bone health, and support cardiovascular function. Typically initiated in early adolescence under specialist supervision.

medication
3

Comprehensive Multisystem Monitoring

Regular cardiac monitoring including echocardiograms, renal ultrasound, hearing assessments, and endocrine evaluations to detect and manage associated conditions.

monitoring

Additional treatment options

Cardiac Anomaly Correction

Surgical intervention for structural cardiac abnormalities such as bicuspid aortic valve or coarctation of the aorta when clinically indicated.

surgical

Musculoskeletal Intervention

Physical therapy programs addressing lymphedema, hypotonia, and skeletal abnormalities including scoliosis and pes planus commonly seen in this population.

physical_therapy

Psychological and Developmental Support

Psychological counseling and developmental support addressing social challenges, self-esteem, body image concerns, and infertility-related emotional impact.

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 Monosomy X C0242526?

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

Gravholt CH, Viuff MH, Brun S, et al. Clinical Practice Guidelines for the Care of Girls and Women with Turner Syndrome. Eur J Endocrinol. 2022.

guideline2022
2

Bondy CA. Cardiovascular Anomalies in Turner Syndrome. J Endocrinol Invest. 2021.

review2021
3

Davenport ML, Nickel RE, Kuntze J, et al. Growth Hormone Treatment in Girls with Turner Syndrome: Long-term Outcomes. Horm Res Paediatr. 2020.

other2020
4

Bintang AK, Wibowo T, Harzif AK, et al. Pregnancy Outcomes in Turner Syndrome: A Systematic Review and Meta-Analysis. Int J Womens Health. 2023.

meta_analysis2023

Medication Comparisons

Compare medications used to treat Monosomy X C0242526. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

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