National Organization for Rare Disorders, Inc.
It is possible that the main title of the report Trisomy X is not the name you expected. Please check the synonyms listing to find the alternate name(s) and disorder subdivision(s) covered by this report.
Trisomy X is a disorder that affects females and is characterized by the presence of an additional X chromosome. Normally, females have two X chromosomes; however, females with trisomy X carry three X chromosomes in the nuclei of body cells. There are specific physical features (phenotype) associated with this chromosomal disorder. Common symptoms that can potentially occur include language-based learning disabilities, developmental dyspraxia, tall stature, low muscle tone (hypotonia), and abnormal bending or curving of the pinkies toward the ring fingers (clinodactyly). Trisomy X occurs randomly as a result from errors during the division of reproductive cells in one of the parents. This disorder occurs in one in 900 to 1,000 live births.
Chromosome Disorder Outreach, Inc.
- P.O. Box 724
- Boca Raton, FL 33429-0724
- Tel: (561)395-4252
- Fax: (561)395-4252
- Email: firstname.lastname@example.org
- Website: http://www.chromodisorder.org/
Focus Foundation, Inc.
- PO Box 190
- Davidsonville, MD 21035
- Tel: (443)223-7323
- Fax: (410)798-4801
- Email: email@example.com
- Website: http://www.thefocusfoundation.org
Genetic and Rare Diseases (GARD) Information Center
- PO Box 8126
- Gaithersburg, MD 20898-8126
- Tel: (301)251-4925
- Fax: (301)251-4911
- Tel: (888)205-2311
- Website: http://rarediseases.info.nih.gov/GARD/
International Dyslexia Association
- 40 York Rd
- 4 Florr
- Baltimore, MD 21204
- Tel: (410)296-0232
- Fax: (410)321-5069
- Tel: (800)222-3123
- Email: firstname.lastname@example.org
- Website: http://www.interdys.org
Klinefelter Syndrome & Associates
- P.O. Box 872
- Pine, CO 80470-0872
- Tel: (303)400-9040
- Fax: (303)838-0753
- Tel: (888)999-9428
- Email: email@example.com
- Website: http://www.genetic.org
Learning Disabilities Association of America
- 4156 Library Road
- Pittsburgh, PA 15234-1349
- Tel: (412)341-1515
- Fax: (412)344-0224
- Tel: (888)300-6710
- Email: firstname.lastname@example.org
- Website: http://www.ldanatl.org
March of Dimes Birth Defects Foundation
- 1275 Mamaroneck Avenue
- White Plains, NY 10605
- Tel: (914)997-4488
- Fax: (914)997-4763
- Website: http://www.marchofdimes.com
National Center for Learning Disabilities
- 381 Park Avenue South
- 1420 Suite
- New York, NY 10016
- Tel: (212)545-7510
- Fax: (212)545-9665
- Tel: (888)575-7373
- Email: email@example.com
- Website: http://www.ncld.org/
UNIQUE - Rare Chromosome Disorder Support Group
- The Rare Chromosome Disorder Support Group
- Surrey, RH8 9EE
- United Kingdom
- Tel: 441883723356
- Email: firstname.lastname@example.org or email@example.com
- Website: https://www.facebook.com/pages/Unique-Rare-Chromosome-Disorder-Support-Group/130797430472
For a Complete Report
This is an abstract of a report from the National Organization for Rare Disorders (NORD). A copy of the complete report can be downloaded free from the NORD website for registered users. The complete report contains additional information including symptoms, causes, affected population, related disorders, standard and investigational therapies (if available), and references from medical literature. For a full-text version of this topic, go to www.rarediseases.org and click on Rare Disease Database under "Rare Disease Information".
The information provided in this report is not intended for diagnostic purposes. It is provided for informational purposes only. NORD recommends that affected individuals seek the advice or counsel of their own personal physicians.
It is possible that the title of this topic is not the name you selected. Please check the Synonyms listing to find the alternate name(s) and Disorder Subdivision(s) covered by this report
This disease entry is based upon medical information available through the date at the end of the topic. Since NORD's resources are limited, it is not possible to keep every entry in the Rare Disease Database completely current and accurate. Please check with the agencies listed in the Resources section for the most current information about this disorder.
For additional information and assistance about rare disorders, please contact the National Organization for Rare Disorders at P.O. Box 1968, Danbury, CT 06813-1968; phone (203) 744-0100; web site www.rarediseases.org or email firstname.lastname@example.org
Last Updated: 1/20/1970
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