Problem to be solved: to provide a disposable diaper that is capable of transforming the absorbent core along the body of the body to cover the body of the wearer appropriately.Solution: the disposable diaper (10) has a centrally extending portion (41) extending and contracting in the longitudinal direction (L) in the area overlapped with the absorption core (31) of the hip joint (S3), and a central high rigidity portion (71) extending higher than the surrounding region in the crotch area and extending toward the front side of the hip joint extension part.The hip joint extension part extends from the side of the high rigidity portion to the rear side of the high rigidity part at both sides than the center in the width direction.The absorption core has a first region (R41) in which a centrally extending and contracting portion is disposed on the rear side of the central high rigidity portion, a second region (R42) in which the high rigidity portion and the hip up extension portion overlap in the thickness direction or in the width direction, and a third region (r43) in which the high rigidity portion is disposed on the front side of the hip joint extension part.Diagram【課題】身体の股間に沿うように吸収コアを変形させ、着用者の身体を適切に覆うことができる使い捨ておむつを提供する。【解決手段】使い捨ておむつ(10)は、股下域(S3)の吸収コア(31)と重なる領域において前後方向(L)に伸縮する股下伸縮部(41)と、股下域において周囲の領域よりも剛性が高く、股下伸縮部よりも前側に延出した中央高剛性部(71)と、を有する。股下伸縮部は、中央高剛性部の幅方向の中心よりも両側において高剛性部よりも後側に延出している。吸収コアは、中央高剛性部よりも後側において股下伸縮部が配置された第１領域(R41)と、高剛性部と股下伸縮部が厚さ方向又は幅方向において重なった第２領域(R42)と、股下伸縮部よりも前側において高剛性部が配置された第３領域(R43)と、を有する。【選択図】図２
