Nina, Had she pumped prior to the blisters appearing? Sometimes if the shield is too small I have see this happen, and mom doesn't always feel the pain as the dammage is being done. Pam McArthur RNC, IBCLC *********************************************** 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