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A dyad of twin born in later October uprise from embryo that had been freeze for nearly 30 geezerhood , CNNreported .
The twins , named Lydia and Timothy Ridgeway , may have broken the record for being the longest - glacial fertilized egg to ever result in a unrecorded birth . The previous book - bearer , Molly Everette Gibson , arose from an embryo that had been frozen for about 27 years . Her female parent , Tina Gibson , was just 1 year old when that conceptus was put on ice .
Frozen embryos are stored in liquid nitrogen.
In theory , embryos can be keep frozen " indefinitely,“Barry Behr , a professor of tocology and gynecology at Stanford University Medical Center , told Live Science in 2020 . Frozen embryos are bathed in fluent nitrogen that value minus 320 degrees Fahrenheit ( minus 196 degrees Celsius ) . The lowtemperaturepauses all biologic activity in the embryo , and thawing and implanting the embryo allows those process to resume .
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External factors can potentially damage a frozen embryo . For example , ionize radiation syndrome from the Dominicus can penetrate the stainless steel or aluminum container used for storage and damageDNAover sentence — however , it would take 100 of days for such radiation to significantly impact an fertilized egg ’s viability , Behr read .
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grounds suggests that there are no major wellness dispute between babies born from frigid embryo and those born from novel embryo transfer , concord to a review published in 2020 in the journalReproductive Sciences .
The newfangled twins Lydia and Timothy were bear to their parents Rachel and Philip Ridgeway on Oct. 31 , according to CNN . On March 2 , Rachel had undergo a procedure to have three donate fertilized egg placed in her uterus . Two of those conceptus conveyance were successful and lead in Lydia , who was bear weigh 5.6 pound ( 2.5 kilograms ) , and Timothy , who was comport count 6.4 lbf. ( 2.9 kg ) .
