3 o Frequency (before commencing, monthly during treatment and after finishing treatment) • Need to stop Thalidomide Celgene immediately upon suspicion of pregnancy • Need to tell treating doctor immediately upon suspicion of pregnancy Safety advice for men • The need to avoid foetal exposure • That thalidomide is found in semen and the need to use condoms if sexual partner is pregnant or is a women with childbearing potential not using effective contraception • That if his partner becomes pregnant he should inform his treating doctor immediately and always use a condom during intercourse • That he should not donate semen during therapy and for one week following discontinuation of thalidomide