You should not use Tyverb if you are pregnant unless your doctor specifically recommends it.. − If you are pregnant or planning to become pregnant tell your doctor. − Use a reliable method of contraception to avoid becoming pregnant while you’re taking Tyverb. − If you become pregnant during treatment with Tyverb, tell your doctor. ###>- Si vous vous apercevez que vous êtes enceinte pendant votre traitement par Tyverb, prévenez