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Search: authors:"Lie H. Chen"

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Oral Contraceptives and Multiple Sclerosis/Clinically Isolated Syndrome Susceptibility

Background The incidence of multiple sclerosis (MS) is rising in women. Objective To determine whether the use of combined oral contraceptives (COCs) are associated with MS risk and whether this varies by progestin content. Methods We conducted a nested case-control study of females ages 14–48 years with incident MS or clinically isolated syndrome (CIS) 2008–2011 from the...