Stem cells drawn from the ovary may one day be able to provide virtually limitless eggs (Image: John Bavosi/Science Photo Library)
Women may not be born with a limited number of eggs after all. The discovery of stem cells tucked away in human ovaries suggests that new eggs are actually produced throughout life. The finding could pave the way for new fertility treatments.
Jonathan Tilly and his colleagues at Massachusetts General Hospital first challenged the idea that mammals are born with a limited supply of eggs back in 2004, when they found evidence for ovarian stem cells in mice.…
