The tampon consists of a small pouch for absorbent product (1) of rounded shape and covered with a permeable dressing (2) projecting around the small pouch (1) forming a flat annulus (3), a small cord for withdrawal (6) being attached to the inside of the said pouch (1) to come out between the said pouch and the said annulus (3). The face forming the base has a preformed central hollow (4), the other face being convex (5). <IMAGE>