Dear Wendy,

There was a case study published in Pediatrics (November, 1990) by Martens,
Martin, & Berlin.  (Vol. 86, No. 5)  It is old but is worth reading.  I
would be happy to fax it to you.

They mention being aware of moms "complying" with their recommended
multivitamin, iron, and B12 (intrinsic factor is not generated after
gastric bypass) needs.  They also suggested a creamatocrit to help
determine if fat content is sufficient, due to the malabsorption issues
following gastric-bypass surgery.

This particular infant did suffer failure to thrive.  Her breastmilk
contained on 39% fat content with translates to an energy level of 475
kcal/L (670 cal/L is typical).  So although her supply volume was adequate,
it was considerably less rich in energy than normal breast milk.  Another
case study I vaguely remember from undergraduate studies (working with
Cindy Turner-Maffai - maybe she can offer details) is a mother not
supplementing/"complying" with the above vitamins and so forth through
either pregnancy or breastfeeding, and the infant suffering some sort of
long-term effect because of that deprivation.

Their articles concluding statement is "Infants born to these mothers
should be seen at intervals more frequent than the recommended schedule of
well-baby visits if the mother chooses to breastfeed.  Monitoring the
energy content of the mother's milk by the creamatocreit method is
recommended."

I hope this helps some.  You are welcome to post this on Lactnet if you'd
like.  For some odd reason, my posts never make it there from home.

God Bless,
Penny Lane RN, BA, IBCLC




> [Original Message]
> From: Wendy Blumberg IBCLC <[log in to unmask]>
> To: <[log in to unmask]>
> Date: 11/18/2003 12:48:04 AM
> Subject: Gastric By-Pass and Breastfeeding
>
> Has anyone had any experience with moms breastfeeding after having had a
> Gastric By-pass? A mom was told by her surgeon that she will not be able
> to breast feed her child. It is very early in her pregnancy.  She did
> breastfeed her first child 7-8 years ago, although this was before she had
> the gastric-by-pass.
> This mom became pregnant two days before her surgery. Thanks for any help
> you can provide.
> Wendy Blumberg MT,FACCE,CD(DONA),IBCLC
>

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