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Human Egg

Catherine McDiarmid-Watt | Thursday, February 04, 2016 | 0 comments

Image: Anna at the Dr, by Sam Pullara, on Flickr
Now this entire foundation of knowledge regarding female egg production and depletion is in question.

A recent paper by Johnson et al., (Nature, March11th 2004, Vol. 428, pp. 145-150) has opened up new doors for a drastic revision of the biological theory behind female egg production, and thus her fertility.

The research comes from the laboratory of Jonathan Tilly, an established and highly respected developmental biologist at Harvard Medical School.

By studying mice, the researchers determined that germ cells persist after birth; and such stem cells give rise to new eggs throughout a mouse's life.

In a remarkably simple experiment, researchers quantified the rate of egg depletion in the mouse ovaries, and determined that the rate should have exhausted the egg supply much earlier. Yet an unidentified replenishment was taking place.

Mice are normally fertile for about a year, but Tilly found that their egg supply would be exhausted in just 2 weeks if it were not somehow being replenished.

Full article: InfertilityDoctor.com

Photo credit: Anna at the Dr, by Sam Pullara, on Flickr
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TODAY'S BOOK SUGGESTION:
Image: How to Make Love to a Plastic Cup: A Guy's Guide to the World of Infertility, by Greg Wolfe. Publisher: Harper Paperbacks; 1 edition (August 10, 2010)How to Make Love to a Plastic Cup: A Guy's Guide to the World of Infertility
by Greg Wolfe

-- The man's guide to anything and everything in the infertility universe.

Greg Wolfe went through four cycles of IVF on his rocky journey to fatherhood—and now, with profound sympathy and side-splitting humor, he lays it all out for guys on similar baby-making quests.

How to Make Love to a Plastic Cup is not your typical nuts and bolts (no pun intended) medical guide but a helpful handbook designed specifically with the male partner in mind, with answers to his most pressing questions about the infertility process...

Image: Buy Now on Amazon.comPaperback: 256 pages
Click to order/for more info: How to Make Love to a Plastic Cup
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Image: Buy Now on Amazon.comStart reading How to Make Love to a Plastic Cup on your Kindle in under a minute!
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More "Pregnancy Over 40" blogs to visit:
Life Begins... - Pregnancy stories of loss, hope and help
Pregnancy Stories by Age - Daily blog of hope and inspiration!
You Can Get Pregnant in Your 40's - Sharing articles, discussing options and suggestions
Stories of Pregnancy and Birth over 44 - sharing news stories I find online, for inspiration!





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Catherine

About Catherine: I am mom to three grown sons, two grandchildren and two rescue dogs. After years of raising my boys as a single mom, I remarried a wonderful man who had never had a child of his own. Unexpectedly, I found myself pregnant at 49!
Sadly we lost that precious baby at 8 weeks, and decided to try again. Five more losses, turned down for donor egg, foster care and adoption due to my age and losses - we have accepted that there will be no more babies in our house.

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