Hi all,

This whole nipple shield-discussion was very interesting to me!
As for the populations for which it is useful, I thought of this analogy: if 
you have people who can walk well, and you give them clutches, their 
mobility will be *reduced*.
If, on the other hand, you have people who have a broken leg in plaster and 
you give them clutches, their mobility will be *increased*.
Does this make a good comparison, would you say...?
Only now do I understand clearly about the different nipple shields results, 
depending on the populations studied! :-)

Bye,

Marianne Vanderveen IBCLC, Netherlands

----- Original Message ----- 
From: "Katherine Lilleskov" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Thursday, May 20, 2010 5:32 AM
Subject: Re: [LACTNET] Woolridge's study on milk transfer with the shield


But isn't it hugely important that they were good nursers. On average it 
seems entirely possible that for good nursers nipple shields would decrease 
transfer, but isn't the idea that the shield is being given to babies who 
are NOT good nursers. In fact they are generally given to babies who are not 
nursing at all. So if you studied that population, you would have to find an 
increase in transfer since some is better than none. Of course there are 
babies who will not be able to get anything through the shield, but the mean 
would have to show an increase not a decrease in milk transfered. Good 
nursers are not the target population of the nipple shield.
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