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Lactation Information and Discussion <[log in to unmask]>
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Mon, 19 Jan 2009 10:28:25 -0500
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I have some questions about oxytocin. Oxytocin crosses the placental and blood/brain barriers. Pitocin (an artificial hormone with a larger molecular size) does not.

Does a mother's supply of oxytocin add to the fetus's supply, boosting the fetal oxytocin level, or does a mother's supply of oxytocin create the fetal supply of oxytocin? 

Does Pitocin block the oxytocin receptors? Which has a greater affinity, Pitocin or oxytocin? If Pitocin is present, does oxytocin get used at all, or does it lay to waste? If Pitocin blocks receptors on the mother's side, and prevents crossing of the oxytocin to the infant/fetus, does this create a dimished supply for the infant?

If there is no "seed" of oxytocin from the birth, does the baby's body create a normal amount of oxytocin, or is it always diminished?

[Using hemoglobin as a similar comparison (while not a hormone, but still a component of the baby's makeup), if the cord clamping is immediate (something typically practiced in the US, but not commonly practiced in most other places) the iron stores are diminished, setting the baby up for anemia which could continue past infancy. (Raloff, J. Science News 4/27/96, Vol. 149 Issue 17, p263) (Hutton, Eillen K. Hassan, Eman S. JAMA: Journal of the American Medical Association 3/21/2007, Vol. 297 Issue 11, p1241-1252). In the case of immediate cord clamping, the infant starts out life at a deficit and it takes a while to "catch up," if this is possible, to normal iron status.]

If a baby is breastfeeding, does the oxytocin the mother produces affect the infant (since it is a hormone, with small molecular weight, which could cross the "breast barrier") or is the act of breastfeeding conducive to oxytocin production in the infant? If the infant did not get the fetal boost of oxytocin from the delivery do they "catch up"?

In the case of induction, supposedly it is what, 22% of American deliveries? (I find that number hard to believe, because locally it is way higher, like closer to 90%.) But, the induction level has increased dramatically in recent years, paralleling the increase in autism. Whether or not it is involved remains to be proven.

I think Michel Odent's thoughts are significant, and largely ignored. This is something that needs to be pursued. 

Best wishes,
Sam Doak

<< 
Brain's 'Trust Machinery' Identified

            
            
                
ScienceDaily (May 23, 2008)
— The brain centers triggered by a betrayal of trust have been
identified by researchers, who found they could suppress such
triggering and maintain trust by administering the brain chemical
oxytocin. The researchers said their findings not only offer basic
insights into the neural machinery underlying trust; the results may
also help in understanding the neural basis of social disorders such as
phobias and autism.




http://www.sciencedaily.com/releases/2008/05/080521120511.htm


 


Jennifer Tow, IBCLC, CT, USA
Intuitive Parenting Network LLC

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