I am learning, to my chagrin, that my pancreas obviously doesn't work the
same now as it did 25 years ago, and I suspect, even differently from during
my reproductive stages, especially when my thyroid was beginning to get
hypoactive. Insulin resistance is just one of the things which figures in.
Weight loss or lack thereof is so much more complicated than calories in and
calories used. (And certainly, when calories used during breastfeeding is
discussed, it would be relevant to know whether the calories being referred
to are those "burned up" in the actual metabolic process of manufacturing
milk, as separate from and additional to those calories that leave the
mother's body in the actual milk going into the baby. That number of
calories, of course, would depend on the quantity of milk leaving the
breast.)
I know that within the last month or so, in some journal, I saw an article
proposing that breastfeeding lowers a woman's risk of developing Type II
diabetes in later life, possibly by reversing some of the chemistry of
pregnancy. I can't lay my finger on it, but certainly it must have come
across some other Lactnetter's notice. The quotation from the second article
below alludes to this. In the meantime, here are two other articles that may
have some bearing on the general subject of weight loss, during or after
breastfeeding.
*Research* <http://www.biomedcentral.com/info/about/openaccess>
Leptin concentration in breast milk and its relationship to duration of
lactation and hormonal status
<http://www.internationalbreastfeedingjournal.com/content/1/1/21>
*Ozarda Ilcol Y, Hizli Z, Ozkan T
**International Breastfeeding Journal*, 2006* 1*:21 ( 17 November 2006 )
[ Abstract<http://www.internationalbreastfeedingjournal.com/content/1/1/21/abstract>
] [Provisional PDF
<http://www.internationalbreastfeedingjournal.com/content/pdf/1746-4358-1-21.pdf>]
Another Nail in the Coffin of Weight Gain in Pregnancy: Modest increases in
BMI increase risk.
Volume 41 <http://www.obgynnews.com/issues?Vol=41>, Issue
21<http://www.obgynnews.com/issues/contents?issue_key=TOC@@JOURNALS@QO@0041@0021>,
Page 1,8 (01 November 2006)
<For one thing, it's unclear whether the associations are related to actual
weight gain immediately before the second pregnancy or to a lack of weight
loss after the first pregnancy. There's also the possibility that
breast-feeding after the first pregnancy may play a role, since women who
breast-feed for longer periods of time have less weight retention and are
less likely to develop type 2 diabetes>
Jean
*************
K. Jean Coterman RNC, IBCLC
Dayton, OH USA
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