The technology is not slated to be ready for prime time for at least another 5 years, so I guess Viagra and Cialis are still safe. The entire process is to help men who are infertile. Here’s a couple other related Sperm posts of interest. BD
Sperm Made from Female Stem Cells- All Female Baby Possible
Prostate Gland grown from stem cell - But Who Would Want One?
The stem cells had been removed when the embryo was a few days old and were stored in tanks of liquid nitrogen.
The stem cells were brought to body temperature and put in a chemical mixture to encourage them to grow. They were "tagged" with a genetic marker which enabled the scientists to identify and separate so-called "germline" stem cells from which eggs and sperm are developed.
The sperm cannot be used for fertility treatment as this is prohibited under UK law. The scientists in Newcastle say it will be at least five years before the technique is perfected - when they believe it should be available to help infertile men.
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