OFSEP High Definition Cohort

You may be eligible if

• Diagnosis of multiple sclerosis according to the most recent criteria at entry into the HD cohort
• Followed in one MS Clinical Reference Centre (CRC SEP)
• Newly diagnosed after the study start or
• If MS onset occurred before study start, regular follow-up in a CRC SEP
• Irreversible disability ≤ 7.0 (permanent use of a wheelchair) on EDSS at inclusion in the study
• Inability to answer questionnaires
• Pregnant women at the time of inclusion