Step toward slowing biological clock

April 13, 2009 In a set of experiments involving mice, researchers have shown for the first time that an adult mammal can harbor primitive cells in her ovaries that can become new eggs and produce healthy offspring.

More research is needed to explore the findings, but the work raises the possibility that it could someday lead to new ways to fight a woman's biological clock, possibly by stockpiling her egg-producing cells or by stimulating them to make eggs again.

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