Automated blood testing is important in assessing the levels of haemoglobin and erythrocytes, which can decrease in women’s bodies for various reasons: menstruation, especially if it starts at an early age, the menstruation cycle is shorter than 28 days, menstruation lasting more than 5 days, childbirth, the postpartum period, different diets, especially if it means abstaining from animal sources of food, different chronic diseases, bone and soft tissue injuries, and some kidney, liver and endocrine gland diseases of inflammatory origin. The blood test must be performed at least once a year to detect other blood diseases, leukaemias, which can be suspected only when automated blood testing is done. Early diagnosis is very important for the treatment process.