What is the Physiological variations for Total leukocyte count?

Total leukocyte count can vary based on several physiological factors, including age, sex, and physiological state. For instance, newborns typically have higher leukocyte counts compared to adults, and counts can vary throughout childhood. Additionally, women may experience fluctuations during the menstrual cycle or pregnancy, often showing increased leukocyte counts. Other factors such as stress, exercise, and infections can also influence leukocyte levels.