ISSN 1518 0557
Long-term effects of cryopreservation on human spermatozoa: 17 years

2009; 13
Paulo Franco Taitson, Antonio Mourthé Filho, Antonio Rafael Lemos Faria, Ubiratan Barros de Melo, Fernanda Karoline Lemos da Silva, Maria do Carmo Borges de Souza
JBRA Assist. Reprod. 2009; 13 (2):39-40

Received June 10, 2009
Accepted June 20, 2009
Abstract

This paper presents spermatic feasibility after 17 years of freezing. A young man affected by renal cancer sought the sperm freezing service. After 17 years he asked for disposal and signed an authorization term. The thawing and the analysis of the material took place. The comparison of the findings showed an activity reduction from the thawing to the fresh semen in 59,26%. Considering the morphology, the thawing showed a reduction of 32,5% in relation to the fresh semen. The spermatic motility decreased 48% in relation to the fresh semen. The couple (26 years old woman) held one intrauterine insemination in 2009, obtaining success in the first attempt.


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doi: 10.5935/1518-0557.2010.13.2.08

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