A system of curettage of the uterine cavity (11) and dilation of the cervical canal (10), comprising: - a first device (1) for curettage of the uterine cavity, comprising a first elongated tubular body (2) having a head (3) suitable to be introduced into the uterine cavity (11) said head having a member (4) to perform said curettage operation, - and a second device (5) for dilation of the cervical canal (10), comprising a second elongated tubular body (6), having at one of its ends a member (7) for widening the cervical canal (10), - wherein said member (7) for widening the cervical canal (10) has at least one portion (8) which can be expanded at least: from a first idle position (PI), wherein said portion (8) is not expanded and has a first transverse dimension (Tl), to a second operating position (P2), wherein said portion (8) is expanded and has a second transverse dimension (T2), exceeding the first, - wherein the first elongated tubular body (2) and the head (3) of the first curettage device (1) have seats (12, 13) to allow the transit of at least one section of the second elongated tubular body (6) and of the widening member (7) of the second dilation device (5) inside said first elongated tubular body (2) and the head (3), when said expandable portion (8) is in idle position, - and wherein said head (3) of the first curettage device has an opening (31) for allowing at least said expandable portion (8) of the second widening device (5) to come out of said head (3) when said expandable portion (8) is in the idle position PI.Linvention concerne un système de curetage de la cavité utérine (11) et de dilatation du canal (10) du col de lutérus, comprenant : - un premier dispositif (1) pour le curetage de la cavité utérine, comprenant un premier corps tubulaire allongé (2) présentant une tête (3) appropriée pour être introduite dans la cavité utérine (11) ladite tête présentant un élément (4) pour effectuer ladite opération de curetage,- et un deuxième dispositif (
