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Sperm 'can be kept for thousands of years'
By Rebecca Smith, Evening Standard

The doctor who used a man's 21-year-old frozen sperm to help him become a father said it was possible to store sperm for thousands of years.

Sperm was frozen at -196C at St Mary's Hospital in Manchester and later thawed for use in fertility treatment. Today Mr Horne said it was technically possible to do this with sperm that had been stored for 6,000 years.

The revelation is set to reignite the debate about using sperm years after it was donated.

Mr Horne said although there were rules in place from the Human Fertility and Embryology Authority (HFEA) to prevent sperm being stored after the man reaches the age of 55, science is theoretically capable of producing a baby many years after both parents have died.

He said: "There has been research to suggest that sperm could survive for 5,000 or 6,000 years stored in liquid nitrogen. The only thing that would affect it would be background radiation and it would take that long to degrade it. read on

That concludes the mini series on frozen sperm. I just found this story quite interesting. By the way, the review is coming, I need a couple more good listens through Soul Survivor possibly in my not yet owned 'new' car.

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