Protection disks for breastfeeding mothers, applicable to a mother's breasts ready to give milk, for protecting them and absorbing the flow of milk which comes out spontaneously therefrom, which comprise two kinds of disk clearly differentiated from each other, of which the disks of the first (2) kind having an appreciably different configuration from those of the second (2') and/or are provided with at least one differentiating tactile and/or optical marking (1), in high relief or in low relief, enabling them to be differentiated from other disks of the second kind, intended for applying to the other breast, which are devoid of said marking or having another different marking.