Absorbent core

The invention relates to an absorbent core intended for use in a disposable absorbent article, said core comprising an upper surface and a lower surface, a front portion and a rear portion, two longitudinal edges and two transverse edges, and being formed of three layers: an upper layer, an intermediate layer and a lower layer. The upper and lower layers contain less than 25% superabsorbent material. The intermediate layer has three zones with different specific weights: one receiving and distribution zone, one or more transition zones and one or more anti-leakage zones.