A gynecological suction module (1) comprising a hollow rod (20) and a suction chamber (10) connected to the hollow rod by a hole (H) for fluid connection, the aforesaid suction chamber being configured to engage the surface of the vaginal portion of the cervix, the aforesaid suction chamber (10) being delimited by a concave wall W defined by an edge (P) having a C shape and comprising an external portion (P1), an internal portion (P2) and two end portions (P3, P3′), wherein said internal edge P2 is out of the plane defined by said external portion P1.
