New Eggs From Bone Marrow

The Times reports on a fascinating discovery: "Scientists have discovered that bone marrow produces primitive cells that can be summoned by the ovaries to replenish their egg supplies, challenging the theory that women are born with their life's supply of eggs. A study using female mice indicated that it may be possible to exploit this natural process in women who are infertile because of their age or cancer treatment. ... We may be ushering in a new era in the clinical management of female infertility and menopause. This could lead to new treatment approaches, based not on drugs but on regenerative medicine through adult stem cells."



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