Fragile-X Syndrome: Fragile X syndrome is the most common inherited form of mental retardation currently known. (Source: Genes and Disease by the National Center for Biotechnology) ... more about Fragile-X Syndrome.
Fragile-X Syndrome: A rare inherited characterized by various physical anomalies as well as mental retardation. The symptoms are milder in females. More detailed information about the symptoms, causes, and treatments of Fragile-X Syndrome is available below.
See full list of 41 symptoms of Fragile-X Syndrome
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Research the causes of these diseases that are similar to, or related to, Fragile-X Syndrome:
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Fragile X syndrome is the most common inherited form of mental retardation currently known. (Source: Genes and Disease by the National Center for Biotechnology)
An inherited disease characterized by the presence of a fragile site in the long arm of chromosome X. It is a common cause of mental retardation, second only in frequency to the Down syndrome (trisomy 21). The expression varies with mental retardation, macroorchidism, high-pitched voice, narrow face, long jaw, large ears, prominent forehead, highly arched narrow palate, and joint laxity as the most common characteristics. Microcephaly, typical facies, shortness of stature, and absence of macroorchidism characterize the Renpenning but not Martin-Bell syndrome. Major characteristics of the Martin-Bell syndrome include: Mental retardation with speech and behavioral disorders; connective tissue dysplasia; square facies with midfacial hypoplasia; slightly below normal height without intra- uterine growth retardation; average or above average head circumference; large and frequently anteverted ears; prominent forehead and supraorbital ridges; large nose; prominent mandible which becomes apparent during adolescence; joint laxity; minor limb anomalies; dermatoglyphic abnormalities; and seizures. - (Source - Diseases Database)
Fragile-X Syndrome is listed as a "rare disease" by the Office of
Rare Diseases (ORD) of the National Institutes of Health
(NIH). This means that Fragile-X Syndrome, or a subtype of Fragile-X Syndrome,
affects less than 200,000 people in the US population.
Source - National Institutes of Health (NIH)
Ophanet, a consortium of European partners,
currently defines a condition rare when it affects 1 person per 2,000.
They list Fragile-X Syndrome as a "rare disease".
Source - Orphanet
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