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Semen can be used successfully indefinitely [citation needed] after cryopreservation. It can be used for sperm donation where the recipient wants the treatment in a different time or place, or as a means of preserving fertility for men undergoing vasectomy or treatments that may compromise their fertility, such as chemotherapy, radiation ...
The main methods of fertility preservation are ovarian protection by GnRH agonists, cryopreservation of ovarian tissue, eggs or sperm, or of embryos after in vitro fertilization. [16] The patient may also choose to use egg or sperm from a donor by third party reproduction rather than having biological children.
In the future, cryopreservation of testicular tissue has the potential to be used to help transgender women have children. [6] Again, in a scenario where a transgender women begins transitioning before spermarche (the beginning of sperm production, on average at 13.5 years), sperm producing tissue can be preserved instead. [6]
Two approaches for sperm cryoperservation include conventional freezing and vitrification. The conventional technique consists of a slow freezing process that is most commonly used for assisted reproduction technologies (ART). Whereas the vitrification method is a faster approach for sperm cryopreservation in converting liquid to solid state.
German doctors are attempting to reverse death and bring dead bodies back to life, starting with 10 humans. Will it work?
Cryopreservation or cryoconservation is a process where biological material - cells, tissues, or organs - are frozen to preserve the material for an extended period of time. [1] At low temperatures (typically −80 °C (−112 °F) or −196 °C (−321 °F) using liquid nitrogen ) any cell metabolism which might cause damage to the biological ...
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A homicide investigation is underway after three women were found dead inside a Columbus, Ohio residence over the weekend. On Saturday, Dec. 14 just before 4 p.m. local time, Columbus Police ...
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