Menarche, pregnancies, and breastfeeding do not modify long-term prognosis in multiple sclerosis

Zuluaga MI, Otero-Romero S, Rovira A, Perez-Hoyos S, Arrambide G, Negrotto L, Galán I, Río J, Comabella M, Nos C, Arévalo MJ, Vidal-Jordana A, Castilló J, Rodríguez B, Midaglia L, Mulero P, Mitjana R, Auger C, Sastre-Garriga J, Montalban X, Tintoré M.