It ain’t ovary ’til it’s ovary

Nature– “It’s time to rewrite the textbooks. For 60 years, everyone from high-school biology teachers to top fertility specialists has been operating under the assumption that women are born with all the eggs they will ever produce, with no way to replenish that supply. But the discovery of human egg-producing stem cells, harvested from the ovaries of six women aged 22 to 33, puts that dogma in doubt.”

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