Male fertility preservation in DSD, XXY, pre-gonadotoxic treatments - Update, methods, ethical issues, current outcomes, future directions.

Giudice, Maria Grazia;Del Vento, Federico;Wyns, Christine
(2019) Bailliere’s Best Practice & Research. Clinical Endocrinology and Metabolism — Vol. 33, n° 3, p. 101261 [1-14] (2019)

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This paper aims at reviewing the fertility preservation strategies that could be considered in several conditions at risk of spermatogonial depletion such as 46,XY disorders of sexual development, Klinefelter syndrome and after gonadotoxic treatment in males highlighting current knowledge on diseases and processes involved in infertility as well as future directions along with their specific ethical issues. While sperm cryopreservation after puberty is the only validated technique for fertility preservation, for prepubertal boys facing gonadotoxic therapies or at risk of testicular tissue degeneration where testicular sperm is not present, cryopreservation of spermatogonial cells may be an option to ensure future parenthood. Promising results with transplantation and in vitro maturation of spermatogonial cells were achieved in animals but so far none of the techniques was applied in humans.
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Giudice, M. G., Del Vento, F., & Wyns, C. (2019). Male fertility preservation in DSD, XXY, pre-gonadotoxic treatments - Update, methods, ethical issues, current outcomes, future directions. Bailliere’s Best Practice & Research. Clinical Endocrinology and Metabolism, 33(3), 101261 [1-14]. https://doi.org/10.1016/j.beem.2019.01.002 (Original work published 2019)