I would not expect this to be caused by anything the Mother did or did not do as far as her health. My guess would be a lack of functional breast tissue on the one side. Of course you could still try low milk supply interventions, since we never assume a breast won't produce based on appearance. However, it is quite possible to nurse a baby exclusively on one side and make plenty of milk. Ellen Ellen J. Rubin, MA, IBCLC, LLLL *********************************************** 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