With all due respect... a) is 18 participants enough for significance? and b) these mother's were bf without a problem and an impediment was introduce and they had a reduction in milk transfer... .... I believe that it is very different when we are working with a mother and breastfeeding is not going well, for one of many reason we use a shield and things improve... those of us who do pre and post weights have seen that this intervention, used appropriately, can actually increase milk transfer. warmly, Patricia *********************************************** Archives: http://community.lsoft.com/archives/LACTNET.html To reach list owners: [log in to unmask] Mail all list management commands to: [log in to unmask] COMMANDS: 1. To temporarily stop your subscription write in the body of an email: set lactnet nomail 2. To start it again: set lactnet mail 3. To unsubscribe: unsubscribe lactnet 4. To get a comprehensive list of rules and directions: get lactnet welcome