Treatment with Mayzent also affects the fetus. Therefore, women of childbearing age must be made aware of the risks that therapy with Siponimod entails for pregnancy. During pregnancy, treatment with Mayzent must be suspended. As Siponimod is still detectable in your body for up to ten days after stopping the drug, reliable contraceptives should be used throughout treatment and for up to ten days after stopping. It is unknown if Siponimod passes into breastmilk. Discuss your breast feeding options with your healthcare provider.