However, at this period these patients cannot conceive, in order to enable pregnancy patients should hold Tamoxifen treatment, either with complete termination, or (a more suitable option with the new recommendations) a tamoxifen free window to allow pregnancy should be offered. If ovarian function is preserved women can try to get a spontaneous pregnancy. In patients that suffer from ovarian failure post chemotherapy treatments or embryos (or eggs) that were stored at diagnosis during fertility preservation procedure can be used.