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  2. Screening of potential sperm bank donors - Wikipedia

    en.wikipedia.org/wiki/Screening_of_potential...

    ] 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 ...

  3. Sperm bank - Wikipedia

    en.wikipedia.org/wiki/Sperm_bank

    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 ...

  4. Semen quality - Wikipedia

    en.wikipedia.org/wiki/Semen_quality

    When performing cryopreservation of semen, it is the sperm quality after reviving the sample that is of importance, because many sperm cells die in the process. To be of use in assisted reproductive technology , the sample should after thawing have more than 5 million motile sperm cells per ml with a good grade of mobility.

  5. Serial sperm donors banned in one country can just move ... - AOL

    www.aol.com/news/serial-sperm-donors-banned-one...

    A Netflix docuseries has put a spotlight on the unregulated world of sperm donation, particularly the lack of stopgap measures that might prevent donors who have been banned by one country from ...

  6. Genetic studies on Sinhalese - Wikipedia

    en.wikipedia.org/wiki/Genetic_studies_on_Sinhalese

    Genetic studies on the Sinhalese is part of population genetics investigating the origins of the Sinhalese population.. All studies agree that there is a significant relationship between the Sinhalese and the Bengalis and South Indian Tamils, and that there is a significant genetic relationship between Sri Lankan Tamils and Sinhalese.

  7. Semen cryopreservation - Wikipedia

    en.wikipedia.org/wiki/Semen_cryopreservation

    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 .

  8. Ohio dog breeders sued sperm bank over destroyed deposits. A ...

    www.aol.com/much-destroyed-semen-award-winning...

    A Franklin County jury awarded a group of central Ohio dog breeders more than $2 million in a lawsuit involving the handling of dog semen collections in a tank that failed, resulting in the loss ...

  9. Sperm donation laws by country - Wikipedia

    en.wikipedia.org/wiki/Sperm_donation_laws_by_country

    In Israel, sperm donation is mandated by the Ministry of Health. [35] There are 12 authorized sperm banks and hospitals across the country, and 2 more in private research facilities. Only unmarried, healthy men under the age of 30 are allowed to donate sperm, and they are financially compensated for it. [36]