Muscular Dystrophy - catalog.ninds.nih.gov

Duchenne muscular dystrophy, affects approximately 1 in every 3,500 to 6,000 male births each year in the United States. * Some types of MD are more prevalent in certain countries and regions of the world. Many muscular dystrophies are familial, meaning there is some family history of the disease. Duchenne cases often have no prior family history. ................
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