In news that pleasantly surprised fertility specialists around the globe and heartened would-be parents, an embryo that had been frozen for 20 years was used to fertilize a 42-year-old woman who could not conceive naturally. (The two-decade old embryo was from an unrelated donor.) The woman is a resident of the United States and gave birth in May to a healthy boy.
The news item raises some interesting questions, including how long an embryo can stay viable while frozen. Some fertility doctors speculate that 20 years isn’t even close to the length of time that’s potentially possible. One recent study even estimated that the passage of 40 years wouldn’t be a problem if the embryo had been stored correctly.
This gives great hope to women who decide to freeze their eggs at an early age if they know they are going to undergo a procedure such as radiation or chemotherapy which can rob them of their fertility. Using a surrogate, if necessary, they can use their own frozen embryos to create new life.
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