Promiscuous moms produce better babies?
So maybe that's what we've been doing wrong?
Perhaps it explains why some women end up with babies without even trying or wanting them, when others try diligently for years without any success.
But now does it have to be all at once, or serial???
Do you have multiple partners around the same time, or does having different partners, one after another, make the difference?
Marsupial Mating Proves Promiscuity Pays
SPEED MATING: Mouselike marsupial Antechinus stuartii, blending in with a tree trunk (pictured above), practices polyandry. Once in their lives, males copulate with as many females as they can over several hours.
Studies in insects have shown that such promiscuity, known more technically as polyandry, or multiple fathers, produces better young -- better in this case being a measure of offspring survival. Some have proposed that males with more competitive sperm create more viable offspring, but this hypothesis has yet to be unequivocally demonstrated, largely because it is difficult to distinguish whether such survival is the result of better fathers or more mothering from females.
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Photo credit: ScientificAmerican.com
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TODAY'S BOOK SUGGESTION:
The Fertility Guide: A Couples Handbook for When You Want to Have a Baby (More Than Anything Else)by John C., II Jarrett and Deidra T. Rausch
-- This Fertility Guide provides a concise, sensible, appropriately scientific, but yet easily understood approach to modern fertility diagnosis and treatment.
Dr. Jarrett and Dr. Rausch have translated their vast and highly successful clinical experience into a "must" for the couple who
want to have a baby more than anything else.
The most important contribution of this book is that it translates the
high techinto common sense and fills an important void in the specialty... -- E.P. Peterson, MD, Past President of American Society of Reproductive Medicine, Clinical Professor Dept OB/GYN University of Michigan.
Paperback: 200 pagesClick to order/for more info: The Fertility Guide
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