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Journal of Reproduction and Infertility، جلد ۱۹، شماره ۲، صفحات ۱۱۵-۱۱۹
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عنوان انگلیسی To What Extent Are Cryopreserved Sperm and Testicular Biopsy Samples Used in Assisted Reproduction?
چکیده انگلیسی مقاله Background: Testicular biopsies and ejaculated spermatozoa are routinely cryo-preserved in many units but the fate of these samples has not provoked large interest. This prompted us to review our data accumulated during a period of 20 years (1997 to 2016). Methods: For patients with biopsies (group 1) or ejaculated spermatozoa (group 2), an attempt was made to evaluate whether the samples  stored, had been discarded with the patient's consent or because the patient had died, or whether they had been transported to another laboratory. In each of these categories, a previous use in our program of assisted reproduction was assessed. Results: The total utilization rate in group 1 (n=95) was 53.7% and only 5.48% in group 2 (n=365). In both groups, deceased patients had not previously used their cryopreserved samples. In detail, the utilization rates for still banked, discarded and transferred samples were 84.2%, 50% and 27.3%, respectively in group 1 and 2.88%, 10.4% and 10%, respectively in group 2. Conclusion: The exact reasons for the low utilization rates of cryopreserved male gametes remain to be explored. A closer contact between sperm banking units and patients might be useful to discuss the need for further storage of the probes, their possible disposal or the prospects when a specific use for assisted reproduction is intended.
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نشانی اینترنتی http://www.jri.ir/article/10013
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