In future, women who want to safeguard their fertility may be able to store their eggs at home as a powder. To revive them for an attempt at having a baby, all they would need to do is empty the sachet, add water, fertilize with sperm and implant the embryo. Amir Arav of Core Dynamics in Ness Ziona, Israel, says that the technique was demonstrated with cow eggs last month at Cryo, a conference on cold-preservation techniques for eggs, sperm and embryos held in Berlin, Germany. He claims that his company's process avoids the expense and complications of storage in liquid nitrogen.
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