Multiple sclerosis (MS) frequently affects women of childbearing age, and an increasing number of disease-modifying therapies are available. However, a consequence of this is that women and clinicians face complex shared decisions surrounding disease-modifying therapy use in pregnancy and postpartum. It has been suggested that there are both knowledge and communication gaps that need to be addressed in order to improve outcomes for women with MS desiring a pregnancy. Existing pregnancy studies are subject to limitations including selection bias and missing data; however, when these are combined with clinical expertise, consensus guidelines can be developed and used as a framework to support this complex decision-making process. This commentary paper aims to provide a practical and evidence-based overview of the safety of disease-modifying therapies and symptomatic drug therapies during pregnancy and breastfeeding, along with highlighting where insufficient data exist to guide practice.
Keywords: Disease-modifying therapy; Multiple sclerosis; Pregnancy; Symptomatic treatment.
Multiple sclerosis is more common in women than men, and many women with multiple sclerosis have not completed their families when they are diagnosed. This means that they face complicated decisions around using disease-modifying therapies, many of which have limited evidence for use in pregnancy. Conversations between clinicians and women with multiple sclerosis around pregnancy do not always address all of the issues that women face, partly because not all of the needed information is available. Consensus guidelines have recently been developed, and both experience and opinion have been used to inform these. This paper provides a practical overview of the use of treatments for MS and its symptoms.
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