The present invention provides an 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 comprisesan attachment region for securing the fastening elements in the waist region and for securing a wearable sensing device to the side of the backsheet opposite to the absorbent core；wherein the attachment region comprises a single discrete material and in that the attachment region overlies a sensor attachment point S, the sensor attachment point S defined as a point placed on the longitudinal axis at a distance of one quarter (1/4) of length L of the absorbent article starting from a front edge of the absorbent article.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.
