Maternal and perinatal characteristics of infants who, later in life, developed multiple sclerosis: Record-linkage study

This study does not support an important role for most studied maternal and perinatal factors in influencing MS risk. The possible exceptions, speculatively because numbers of subjects with MS were small, were maternal smoking, and pre-term birth. Future work, using datasets that would yield bigger numbers of cases of MS, should explore interactions between perinatal factors that are unlikely to be acting independently.