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Ovaries replenish eggs, study suggests

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Ovaries replenish eggs, study suggests

 

By Carey Goldberg, Globe Staff,

3/11/2004

 

In a finding that could someday revolutionize fertility treatments, researchers

yesterday reported

evidence that appears to topple a decades-old tenet of reproductive biology:

that girls are born

with all the eggs they'll ever have, a pool that dwindles and degenerates with

age.

 

Rather, the Massachusetts General Hospital researchers say in the journal

Nature, experiments show

that -- in mice, at least -- females keep producing eggs through their lives,

much as males

continue producing sperm.

If the findings are confirmed and hold true for humans, they could eventually

lead to previously

undreamed-of methods to prolong women's fertility and postpone menopause, said

Dr. Jonathan L.

Tilly, the paper's senior author.

 

Dr. Marian Damewood, president of the American Society for Reproductive

Medicine, said in a

statement that the discovery is potentially " the most significant advance in

reproductive medicine

since the advent of in-vitro fertilization more than 25 years ago. "

 

Story continued here:

 

http://www.boston.com/news/nation/articles/2004/03/11/ovaries_replenish_eggs_stu\

dy_suggests?mode=PF

 

Cathy B.

 

 

 

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