On 01/12/2003, at 4:32, Mary Kay Smith, RN, IBCLC wrote:

> I just had a mom ask me about this today. I was always under the
> impression (could be wrong....) that the the lactase/lactose in human
> milk was readily absorbed and that newborns could not be "lactose
> intolerant" via mothers' milk.

Congenital lactase deficiency is a vanishingly rare inborn error of
metabolism - these pages claim that there are less than 50 cases
described worldwide.
http://www.allergyclinic.co.nz/guides/21.html
http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?cmd=entry&id=223000

Galactosaemia is more common, being around 1/30000-1/40000 live births.

In other words, the artificial milk companies really have their work
cut out for them creating a mass market for this stuff, and you can bet
dollars to doughnuts their attempts to do so will not be
evidence-based.

Lara Hopkins
family doc

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