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Updated: Apr 30, 2026

Collection of Human Follicular Fluid, Follicle Somatic Cells, and Immature Oocytes from Individuals Undergoing In Vitro Fertilization
Published on: October 24, 2025
Male fertility preservation, where are we in 2014?
Ellen Goossens1, Herman Tournaye1
1Research group biology of testis, department of embryology and genetics, Vrije universiteit Brussel, Laarbeeklaan 103, 1090 Brussels, Belgium.
Abstract:
Male fertility preservation receives growing attention in the field of reproductive medicine. The first clinical programs were established to preserve reproductive potential in men needing gonadotoxic treatment. Sperm cryopreservation is now a standard procedure. Since a few years, several centres offer testicular tissue cryopreservation to prepubertal boys. This method is still experimental and further research is needed to implement the transplantation techniques in the clinic. With the aim to preserve or restore fertility in patients affected by other diseases (Klinefelter syndrome, Sertoli cell only syndrome), techniques for in vitro spermatogenesis are being developed.
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