A sanitary napkin (1A) of the invention includes: an absorbent body (5) that has a topsheet (2), a backsheet (3), and an absorbent core (4) provided between the two sheets (2, 3) and a pair of leak-prevention walls (7), each leak-prevention wall (7) having a base wall portion (71) and a planar elastic stretchable portion (72) provided continuously to an upper end (71a) of the base wall portion (71) and being provided on one of opposite lengthwise (Y-direction-wise) side sections (5c) of the absorbent body (5). The absorbent core (4) has a bulging central heightened portion (40) provided in a widthwise (X-direction-wise) central region (CT). The central heightened portion (40) includes a front central heightened portion (41) and a rear central heightened portion (42) which are provided separately. The front central heightened portion (41) is formed in an excretory-portion region (a). The intermediate fixed sections (7c), which constitute a pair, are respectively located outside widthwise of a region in which the rear central heightened portion (42) is arranged.本發明之生理用衛生棉1A包括:吸收性本體5,其包含正面片材2、背面片材3以及介於兩片材2、3間的吸收體4;以及一對防漏壁7,其於吸收性本體5之長度方向(Y方向)兩側部5c包含一對基壁部71、及與其等之上端部71a分別連設的面狀之彈性伸縮部72。吸收體4於其寬度方向(X方向)中央區域CT具有隆起的中高部40,中高部40包含各別設置的前方中高部41以及後方中高部42,前方中高部41係形成於排泄部區域a。一對中間固定部7c係配置於配置有後方中高部42之區域之寬度方向外方。2...正面片材3...背面片材4...吸收體5...吸收性本體5b...前端部5c、42c...側部5d...後端部7...防漏壁7b、41a、42a...前方端部7c...中間固定部7d、41b、42b...後方端部8...壓花溝槽31...側翼部32...後部翼40...中高部41...前方中高部42...後方中高部63...彈性構件71...基壁部72...彈性伸縮部72b...前方彈性伸縮部72d...後方彈性伸縮部81...外溝槽82...中間溝槽83...後方中間溝槽84...最後方中間溝槽1A...生理用衛生棉a...排泄部區域b...前方區域c...中央部d...後方區域CT...中央區域
