Disposable diapers

A disposable diaper, comprising a liquid-permeable topsheet, a liquid-impermeable backsheet, an absorbent panel sandwiched between said sheets, notches formed in opposite sides of a crotch zone defined by said sheets, said notches defining leg-openings of said diaper when being worn, and stretchable means provided adjacent side edges of said notches, said disposable diaper further including an auxiliary pad containing at least one absorbent panel, said auxiliary pad being dimensioned to cover a crotch zone of said diaper and being bonded to an upper surface of said topsheet with opposite side regions of said auxiliary pad being left free, said auxiliary pad being provided with longitudinally stretchable elastic members extending substantially in parallel with and spaced inward from said opposite outer side regions so that said at least one absorbent panel deforms to present an inverted .OMEGA.-shaped cross-section in the width direction as said elastic members contract.