| Summary: | Offering sperm cryopreservation to preserve the fertility of male cancer patients is a relatively recent service in Asia. This study analyzed the types of cancer, timing of collection, sperm quality, and utilization for reproductive services by patients during a 10-year period at a medical center in Taiwan. A total of 75 oncology patients elected to freeze sperm for fertility preservation at our medical center during the initial 10 years of the availability of this service. The mean age of the patients was 25.7 years. Storage was discontinued in 13 (17%) patients and their survival duration was 13.1 ±11.1 months. The utilization rate of sperm cryo-preservation was 2.8% (75/2642). The types of cancer varied, with leukemia (35%), lymphoma (25%), and testicular cancer (13%) comprising the largest groups. A significantly lower sperm count was found in patients with chronic myelogenous leukemia, suggesting the need for earlier sperm collection after initiation of cancer treatment. Only three (4%) patients utilized their specimens for reproductive purposes. There was no clinical pregnancy during the study period, although one biochemical pregnancy was achieved. The low rates of sperm cryostorage for fertility preservation in cancer patients in this study suggest that there is a need for greater emphasis of this option for male oncology patients whose fertility is likely to be affected by chemotherapeutic treatment.
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