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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 ...
A 2001 review on variation in semen quality and fertility by male age concluded that older men had lower semen volume, lower sperm motility, a decreased percent of normal sperm, as well as decreased pregnancy rates, increased time to pregnancy and increased infertility at a given point in time. [55]
Graham's overriding goals were the genetic betterment of the human population and the nurture of newly conceived geniuses. This was a form of "positive" eugenics, meant to increase the number of designated "fit" individuals in a population through selective breeding. However, Graham's "genius sperm bank" was highly controversial. [2]
The Big Bang Theory's pilot episode satirizes the repository when Leonard and Sheldon visit the "high-IQ sperm bank," intending to donate specimens, only to leave after Sheldon suffers a moral crisis over committing "genetic fraud" by donating sperm that may not produce the promised genius offspring. [7]
GenePeeks was established by Anne Morriss and Lee Silver.Silver is a genetics professor at Princeton University whose work is focused on reproduction and development. [1] [4] Morriss was motivated to start the service in part by her own experience of starting a family; her son received an inherited disorder after being conceived with sperm from a donor. [6]
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 ...
Cytoplasmic transfer is the technique in which the contents of a fertile egg from a donor are injected into the infertile egg of the patient along with the sperm. Egg donors are resources for women with no eggs due to surgery, chemotherapy, or genetic causes; or with poor egg quality, previously unsuccessful IVF cycles or advanced maternal age ...
After unlocking the secrets of DNA, the Nobel prize-winning biochemist traded in his centrifuge for a life of wine, women, and surf. [From Esquire, 1994.]