When the embryos were first frozen, their father was only 5 years old, and now, 30 years later, the babies are born.
The twins were born on October 31, 2022, 30 years after being frozen in liquid nitrogen as embryos.
Researchers suggest that Lydia and Timothy Ridgway may be the world’s longest frozen embryos resulting in a live birth.
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Embryos were created using IVF for a married couple on April 22, 1992. They were then frozen in liquid nitrogen and stored at -196°C.
More embryos may be obtained during IVF. In this case, they can be donated to science or to couples who want a child. These embryos were donated to the National Embryo Donation Center in Knoxville, Tennessee. They waited in the wings for decades and were then handed over to parents Racha and Philip Ridgway from Portland.
Note that when the embryos were frozen, their current father, Philip, was only five years old – unbelievable. By the way, the couple already has four children under the age of 10, newly-made parents say that they never thought about the number of children they would like to have, but saw the birth of Lydia and Timothy as something. attractive”.
According to Philip, he and his wife didn’t want to have record-breaking twins, they just wanted to use the embryos that held the longest in the wings.
The previous record holder for “oldest” children was Molly Everett Gibson, born October 26, 2020. This embryo has been frozen for 28 years.
The researchers point out that there is a possibility that there are “older” embryos in the world that are used without their age recorded.
Note that embryos can be frozen almost indefinitely, but the survival rate after thawing is approximately 80% and only a fraction are born alive after transfer. In the case of Lydia and Timothy, the doctors thawed five embryos, three of which were viable enough, and the couple had twins as a result.
Previously Focus He wrote that scientists have managed to double the success rate with IVF.
Source: Focus
Ashley Fitzgerald is an accomplished journalist in the field of technology. She currently works as a writer at 24 news breaker. With a deep understanding of the latest technology developments, Ashley’s writing provides readers with insightful analysis and unique perspectives on the industry.