Method for controlling the sterilization of products in an autoclave, in which products are placed in at least one closed, unsealed and confined container of any type, and according to which inside this same container there is a loaded and autonomous device for measuring in the container at least one sterilization parameter wherein during at least one part of the duration of the sterilization cycle and according to a predefined frequency, at least one representative value of the measurement of the at least one parameter is recorded in the loaded device and at least one of these representative values is transmitted directly through the container that remains closed, through wireless transmission by electromagnetic rays of waves with a frequency of less than 250,000 GHz.