Erythrocyte (red blood cell) values, like other blood parameters, have specific reference ranges. These ranges can vary based on age, sex, and pregnancy status. Generally, the average erythrocyte reference ranges are as follows:
* Males: 4.7–6.1 million cells/microliter
* Females: 4.2–5.4 million cells/microliter
* Newborns: 4.8–7.2 million cells/microliter
* Children: 4.6–4.8 million cells/microliter
During pregnancy, a physiological decrease in erythrocyte values may be observed compared to a normal period.