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Multiple sclerosis and pregnancy prescriptions

Multiple sclerosis (MS) is a major neurologic disorder which preferentially affects young women of childbearing age. In the last two decades, a number of disease-modifying therapies have become available to treat relapsing forms of MS. None of these agents is approved for use in pregnancy. The timing of treatment versus conception, and risk of drug pregnancy exposures, are frequent discussion topics when caring for MS patients. This editorial will try to put into context available data, approaches, controversies and future needs.