While researching this topic, came across this useful 2007 on-line
article by Chele Marmet
> http://www.mothering.com/articles/new_baby/breastfeeding/traveling-with-breastmilk.html
>
(which came out before the current TSA guidelines allowing more than 3
oz. of breastmilk to be carried on-board
http://www.tsa.gov/travelers/airtravel/children/formula.shtm )

It mentions that thawed breastmilk can be refrozen if it's still cool,
citing

Effect of Environmental Conditions on Unpasteurized Donor Human Milk
David J. Rechtman, Martin L. Lee, H. Berg
Breastfeeding Medicine. Mar 2006, Vol. 1, No. 1: 24-26

http://www.liebertonline.com/doi/pdfplus/10.1089/bfm.2006.1.24

My understanding was that thawed milk should be used within 24 hours,
and not refrozen.  This doesn't seem to have been discussed in the
Lactnet archives.  Could someone recap the findings of the study for
me?   Is this the small study that Rachel Myr had brought up recently on
milk storage?

Mothers are always coming up with complicated storage scenarios, ("It
was in the freezer for six months, and then my mother in law carried it
in her purse for a couple hours....")   and asking "Can I give the baby
the milk?).  So it would be useful to get some newer studies to cite.
There are also the complicated issues of whether the study is addressing
whether it's safe (i.e. would the baby get sick? ) vs. changes in the
quality of nutritional/immunological value.

Also -- are the generally accepted storage guidelines cumulative? -- can
the milk be in the refrigerator for a week, and then frozen?  (Yes,
ideally it should be frozen right away if it's going to be, but I don't
get phone calls about ideal things.)  I don't encourage mothers to push
the storage guidelines if they don't have to -- nature never intended
the milk to be anywhere except in a breast or in a baby.  But the
realities are different.

Margaret Wills, LLLL, IBCLC, Maryland

P.S.  Also came across these forums of nursing mothers discussing
business travel -- blending helpful/inspiring/horrible -- shows the
ingenuity women show when a country doesn't have a maternity leave policy.:
> http://parents.berkeley.edu/advice/nursing/travel.html
> http://blogs.wsj.com/juggle/2007/12/14/breastfeeding-and-businesss-travel/?mod=WSJBlog
>

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