Interactions between multiple sclerosis and pregnancy. Current landscape of approved treatments

Multiple sclerosis is an autoimmune disorder that affects the central nervous system, more common in women of childbearing age, so pregnancy can affect the disease. In these patients, the relapse rate decreases during pregnancy, especially in the third trimester, however, there seems to be an increased risk of exacerbations during the first three months postpartum, before returning to the pre-pregnancy rate.