A method for announcing levels of blood glucose of a patient using a meter ensangre glucose configured to perform the steps of: storing glucose blood levels with the corresponding dates and times of day in which respective levels of blood glucose tomaronlos calculating an average level of blood glucose from at least a first level of ensangre glucose and a second glucose level selected from the stored levels ensangre blood glucose by: selecting the stored glucose levels in the blood used to determine said nivelpromedio blood glucose based on the date and time of day they were taken the nivelesalmacenados blood glucose, define a period of time during a day in which the average glucose level is desired in sangrepara that time period in each of a selected number of days, receiving user input requesting an average level of glucos a blood of the detiempo period for a selected number of days starting with the current day, whether that time period has been introduced or has been spent on the current day, use a reading of a glucose level in blood taken during the time period for current dichodía when the average glucose level is determined in blood if that period tiempoha been introduced last for the current day, and select a stored glucose level blood taken the day before when sedetermina said average level blood glucose if the time period has not been introduced yet opasado for the current day, announcing that average blood glucose level receiving a first user input to announce this first level of blood glucose, announcing said first level blood glucose receiving a second user input to announce said second blood glucose level yanunciar said second blood glucose level.Un método para anunciar niveles de glucosa en sangre de un paciente utilizando un medidor de glucosa ensangre configurado para realizar las etapas de:almacenar niveles glucosa en sangre con las correspondientes fechas y horas del día en las que se tomaronlos respectivos niveles de glucosa en sangrecalcular un