Cytotam 20mg Tablet should not be used if you are pregnant, taking treatment for infertility, taking medicines to treat blood clots, and if you have had or having blood clots with the cause not known. Talk to your doctor if you have uterine cancer or other problems with your uterus, irregular periods, abnormal vaginal bleeding, or had a stroke before taking this medicine. Use effective birth control during the treatment and for at least 9 months after the last dose.