A contoured absorbent pad for a diaper comprising a liquid permeable inner layer, impermeable outer layer, and a moulded absorbent core. The inner and outer layers are adhered together with the moulded absorbent core located between the inner and outer layers. The absorbent core includes fibers and superabsorbent materials and is moulded in a shape that is contoured to complement the human anatomy in the area of the upper buttocks and lower back.