How sperm preserved

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I seem to only think about famine, flood, slipping in the shower, etc. November 22, at Boy can I relate to this post. Assisted reproductive technology Cryopreservation Semen. It is necessary that the medium interacts with the cells. Scientifically, there is no limit to the length of time that sperm can be stored in a frozen state.
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Sperm bank - Wikipedia

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Blood and Sperm - How are they Preserved?

In primate societies with rigid social structures and one dominant male who mates with all the females, testes trend towards the small. Semen volume, sperm concentration, total sperm count, motility, progressive motility and total progressively motile sperm count TPMS were measured. A low sperm count is one cause of male infertility. Journal Human Reproduction,
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