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What are the main symptoms of SMA?
There are three main symptoms of spinal muscular atrophy (SMA): poor muscle tone, breathing difficulties and curvature of the spine. The severity of these symptoms will depend upon the type of SMA the patient has: Type 1 presenting the most severe symptoms and Type 4 the least severe. Typically, Type 1 SMA is diagnosed in infants.
Are you a new parent whose child may have or was recently diagnosed with SMA type 1? Be sure to read our resource page for SMA Type 1.
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