Sampling system comprising: a) a postal package (14)； b) a device for taking the sample by itself (2) comprising: i) a flexible shaft (4) having a handle (5) at one end, where the shaft is configured to allow a person to take by itself same a gynecological sample of mucous tissue, and ii) an element for obtaining the sample (6) that can be detachably connected to the other end of the shaft by means of a pressure connection, which is constituted by protuberances (15) in a end of the sample collection element and adapted to join pressure in the grooves, contained in the extensions (16), at the other end of the shaft, and which can be operated to obtain a gynecological sample of a person's mucous tissue； and c) a sealable unit (7), where the unit is configured to store the sample collection element having a gynecological sample in it in a sealed form and to be received in a postal package in the sealed form； and where the sample collection element, the shaft and the sealable unit are configured to allow the sample collection element to be introduced at least partially into the sealable unit and separated from the axis by disconnecting the pressure connection, without contact of the sample collection element with a person, and where the protuberances are released from the grooves contained in the extensions by rotation of the sample collection element.Sistema de muestreo que comprende: a) un paquete postal (14)； b) un dispositivo para tomar la muestra por una misma (2) que comprende: i) un eje flexible (4) que tiene un mango (5) en un extremo, donde el eje está configurado para permitir a una persona que tome por sí misma una muestra ginecológica de tejido mucoso, y ii) un elemento para obtención de la muestra (6) que se puede conectar de manera desmontable con el otro extremo del eje mediante una conexión a presión, que está constituido por protuberancias (15) en un extremo del elemento de obtención de la muestra y adaptadas para unirse a presión en las ranuras, conten
