The present invention relates to absorbent article comprising topsheet, backsheet and an absorbent core between the topsheet and the backsheet, and further comprising fastening elements for securing the article around the waist of a wearer, wherein the article comprises at least two attachment regions:a first attachment region for securing the fastening elements in the waist region； anda second attachment region for securing a wearable sensing device, the second attachmentregion being located on the side of the backsheet opposite to the absorbent core； wherein the first attachment region has a first surface and the second attachment region has a second surface and wherein the first surface is different from the second surface.The present invention further relates to a system comprising the absorbent article and a wearable sensing device. The present invention further relates to a method of attaching a wearable sensing device to an absorbent article.
