Exact(3)
Any tissue obtained from the biopsy was not cryopreserved.
Out of the 2159 titles identified by the initial search of relevant electronic databases, only 50 met the selection criteria (full papers dealing with light or polarized microscopic morphological features of in vivo matured, not cryopreserved MII phase human oocytes, and analysing the prognostic value of these features for further development).
Moreover, cell viability in culture remained above 50%, very similar to not cryopreserved cells (control).
Similar(5)
Reasons for not cryopreserving semen were azoospermia (n=5) and immotile sperm (n=2).
Cryopreserved matrices showed significantly higher strain when stressed compared to non cryopreserved matrices.
However, as illustrated above, the majority of cancer survivors who want to have children do not have cryopreserved genetic material.
The embryos which are not transferred or cryopreserved at the cleavage stage are further cultured to blastocysts and vitrified for possible infertility treatment in the future.
Our finding that most patients have not yet used cryopreserved semen is intriguing and warrants further investigation.
Related(1)
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