Twins conceived from 13-year-old sperm
A Taiwanese woman’s pregnancy shows that sperm is never too old to do its job.
(Getty Images)

A Taiwanese woman has given birth to healthy twins using the 13-year-old frozen sperm of a former testicular cancer patient, local media said on Saturday, setting a record for the island.

The twin boys were born using the sperm taken from a man surnamed Chen, then 23, who was diagnosed with testicular cancer and told chemotherapy could make him infertile, Taiwan newspapers said, citing sources at a Taipei medical university.

Chen, who is in good health at age 36 but cannot produce sperm naturally, got his wife pregnant with two of the four embryos used for artificial insemination, newspapers said. Last month's delivery followed a 37-week pregnancy.

"Never before had a case involving such a long period of time between the freezing of male sperm and procreation been reported in Taiwan," the island's Central News Agency reported, citing the college of medicine dean at Taipei Medical University.

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