Hygienic device for the collection of menstrual flow that, comprising an impermeable and flexible body (2), for example of silicone, receptacle-shaped, cup type, in which lower external part, the opposite to the mouthpiece (21), it has fastening means (3) to proceed to its withdrawal after it is used, characterized in that the said fastening means (3) comprise a threadlike element (31), preferably a string or a long and thin extension of the material itself of which the body (2) of the receptacle is made, having a sufficient length in order that, once the device (1) is placed in the body of the user, its distal end remains externally located. Eventually, the threadlike element (31) has a structure easy to be cut by one, two or more points (32), so that the user can cut it at will until leaving it with a minimum length. Eventually, the threadlike element (31) possesses, in the proximal area, that joining it to the lower part of the body (2) of the receptacle, at least, one protrusion (33) and at the distal end of the threadlike element (31) it possesses a protrusion (33) to facilitate fastening it when it is complete. Eventually, at the upper part of the body (2) of the receptacle one or more holes (4) have been provided close to the edge of the mouthpiece (21).
