assisted reproduction
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Semen Frozen 50 Years Ago Just Produced Dozens Of Healthy Lambs
Semen frozen back in 1968 has been used to impregnate dozens of Merino ewes, resulting in healthy lambs. The Australian scientists who made it happen say it’s the oldest sperm ever used to produce offspring.
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Dutch Fertility Clinic May Have Mixed Up Sperm For Dozens Of Couples
A medical lab in the Netherlands is admitting that a “procedural error” may have caused upwards of 26 women to have their eggs fertilised with the wrong sperm.
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Scientists Have Bred Live Mice With No Need For Fertilised Eggs
For the first time ever, scientists have produced live mice without a fertilised egg cell. The potentially revolutionary technique could one day allow gay men to produce biological offspring, or — even more radically — allow both men and women to self-fertilise.
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Cyborg Sperm Could Revolutionise Fertility Treatments
Some men produce sperm that are poor swimmers, a major cause of infertility. To help, researchers from Germany have developed motorised cyborg “spermbots” that can be guided directly to an egg.