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A proposed algorhythmic approach to decision-making for fertility preservation in breast cancer patients. Reproduced from Sonmezer and Oktay (2006) with permission. Embryo cryopreservation using letrozole is a novel stimulation protocol in breast cancer patients, and long-term follow-up data are awaited. Ovarian tissue and oocyte cryopreservation are experimental technologies. cryo, cryopreservation; FP, fertility preservation; TMX, tamoxifen
