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] This may be explained by the fact that sperm banks only accept donors who have good semen quality, and because of the rigorous screening procedures which they adopt, including a typical age limitation on sperm donors, often limiting sperm donors to the ages of 21–39 (see paternal age effect), and genetic and health screening of donors. In ...
One donor named Jason Kaiser, known as Orange Red at the repository, was featured in the 2003 documentary along with Paul Kisak. The documentary was entitled Genius Sperm Bank, which the Discovery Channel broadcast in 2004. The documentary briefly touched upon Kaiser's viewpoints at the time, and reunited him with three of the nine children ...
A sperm bank takes a number of steps to ensure the health and quality of the sperm which it supplies and it will inform customers of the checks which it undertakes, providing relevant information about individual donors. A sperm bank will usually guarantee the quality and number of motile sperm available in a sample after thawing. They will try ...
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Semen cryopreservation (commonly called sperm banking or sperm freezing) is a procedure to preserve sperm cells. Semen can be used successfully indefinitely [ citation needed ] after cryopreservation .
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The genetic quality of sperm, as well as its volume and motility, may decrease with age, [5] leading the population geneticist James F. Crow to claim that the "greatest mutational health hazard to the human genome is fertile older males".