Hmm, I'll have to do some further digging. You may well be right. I agree with you also that weight gain is not necessarily an indicator of a woman's milk making ability, at the very least it does not take into account infant factors that may result in poor milk transfer. It is however, a very important part of the picture. 
BTW the Neifert paper also analyses their data according to a minimum weight gain of 140g per week, a level at which I think that more here would be confident in saying that there is a decent probability that something is going wrong and needs investigating. At this level and using weight gain as a proxy for milk making capacity, 11% of women in the study were determined to have incapacity to fully breastfeed. I wish that there was more research in this area!
Karleen Gribble
Australia
On 27/06/2013, at 3:29 AM, welford heather wrote:

> 
> 
> Karleen, is it not the case that the WHO charts have no data for the first
> two weeks? I am not even sure if the researchers collected any. Any weight
> change between birth and two weeks on the charts is notional, is it not?

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