A breast implant system is providedcomprising a plurality of chambers including one ormore first fluid chambers (1 ) and one or more secondfluid chambers (2). The first fluid chamber (1 ) formspart of a breast implant (10), whereas the second fluidchamber (2) may also form part of the breast implant ormay be implanted remote from the breast implant. Thefirst and second fluid chambers are interconnected so asto allow exchange of fluid between the first and secondchambers, thereby causing the shape and, dependingupon the specific embodiment, also the volume tochange accordingly.