A lactation aid is disclosed having an outer layer defining a cavity and a core material located in the cavity, the core material being adapted to be one or more of: heated and cooled. The lactation aid is adapted to be manually rolled over a breast. The lactation aid may include protrusions, which protrusions may be hollow such that core material at least partially extends into the protrusions. A temperature indicator may also be present. The lactation aid may combine three therapeutic components: application of temperature (heating or cooling), movement and compression to breast tissue.