Typically, the milk bank gets about 30-50 calls a month from people looking to donate.... Gillespie first donated to the Mothers' Milk Bank in Denver six years ago, giving 18 gallons( 68 liters) after the birth of her first child, and wasn't planning to do it again.“ I thought 18 gallons was sufficient for one person," she said.... That’s up from nearly no calls at all, since the milk bank typically serves hospitals. The Human Milk Banking Association of North America, an accrediting organizat