If the patient is pregnant or breast-feeding, thinks she might be pregnant or is planning to have a baby, ask the doctor for advice before taking this medicine.
Do not use TYSABRI if the patient is pregnant unless she discussed this with the doctor. Be sure to tell the doctor immediately if the patient is pregnant, thinks she might be pregnant, or if she is planning to become pregnant.
Do not breast-feed whilst using TYSABRI. Discuss with the doctor whether the patient chooses to breast-feed or to use TYSABRI.