How many types of myasthenia gravis are there?
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According to the National Organization for Rare Disorders (NORD), there are three main types of myasthenia gravis: ocular, affecting just the eyes; generalized, which can impact many muscles in the body; and transient neonatal, occurring among some babies born to women with MG. Patients also can be further divided into subtypes of the disease based on various factors, including age at disease onset, the type of disease-causing antibodies, or the presence of abnormalities in the thymus gland.