The agreed-upon definitions are:
Exclusive breastfeeding: No other liquid or solid from any other source enters the infant ’s mouth.
Almost exclusive: Allows occasional tastes of other liquids, traditional foods, vitamins, medicines, etc.
Full breastfeeding: Includes exclusive and almost exclusive.
Full breast milk feeding (or fully breast milk fed): The infant receives expressed breast milk in addition to breastfeeding.
Partial: Mixed feeding, designated at high, medium, or low. Methods for classification suggested include percentage of calories from breastfeeding, percentage of feeds that are breastfeeds, etc. Any feeding of expressed breast milk would fall under this category.
Token: Minimal, occasional breastfeeds (for comfort or with less than 10 percent of the nutrition thereby provided.)