Who Does Muscular Dystrophy Affect?

The number of people affected by muscular dystrophy depends on the specific type. For example, Spinal Muscular Atrophy affects one child in 4,000 and affects both boys and girls. Duchenne Muscular Dystrophy affects approximately one in 3,000 and affects only boys with rare exception. Some muscular dystrophies are evident at birth. Some children with muscular dystrophy have normal strength at birth but become weak over time. Some patients with certain forms of muscular dystrophy do not develop weakness till adulthood.

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Muscular Dystrophy Assocation