Male factor infertility and risk of multiple sclerosis : A register-based cohort study
Background: Gender, possibly due to the influence of gonadal hormones, is presumed to play a role in the pathogenesis of multiple sclerosis (MS), but no studies have evaluated whether male infertility is associated with MS. Objective: To study the association between male factor infertility and prevalent as well as incident MS. Method: Our cohort was established by linkage of the Danish National i
