The Greek-based terms used to describe semen-analysis abnormalities (e.g., "oligozoospermia" and "azoospermia") are unscientific, have overlapping definitions, and are often misinterpreted. The best course is to abandon these vague and difficult labels and simply report semen analyses quantitatively. © 2007 American Society for Reproductive Medicine.
Grimes, D. A., & Lopez, L. M. (2007, December). “Oligozoospermia,” “azoospermia,” and other semen-analysis terminology: the need for better science. Fertility and Sterility. https://doi.org/10.1016/j.fertnstert.2007.04.013