Are women born with a limited number of eggs?

 作者:巴式婧     |      日期:2019-03-08 11:09:01
By Linda Geddes STEM cells placed in the ovaries of sterilised adult mice have apparently given rise to fresh eggs and healthy offspring, reigniting the debate over whether women are born with all the eggs they will ever have. If the finding can be replicated in women, it would revolutionise reproduction, opening the door for later child-bearing and providing a source of eggs for infertile women. But despite early signs that similar egg-producing cells may exist in women,