X-linked mental retardation -- hypotonia: A very rare inherited disorder characterized primarily by mental retardation. Initial symptoms of muscle weakness gives way to spasticity and contractures. More detailed information about the symptoms, causes, and treatments of X-linked mental retardation -- hypotonia is available below.
See full list of 32 symptoms of X-linked mental retardation -- hypotonia
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Read more about Misdiagnosis and X-linked mental retardation -- hypotonia
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X-linked mental retardation -- hypotonia is listed as a "rare disease" by the Office of
Rare Diseases (ORD) of the National Institutes of Health
(NIH). This means that X-linked mental retardation -- hypotonia, or a subtype of X-linked mental retardation -- hypotonia,
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 X-linked mental retardation -- hypotonia as a "rare disease".
Source - Orphanet
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