However, the last update of the normal values established by the WHO is from 2010. In this case, a sperm sample is considered normal if it contains at least 15 million sperm per mL. The 2012 WHO criteria are the ones followed today to assess the quality of a semen analysis.
Reference values for sperm concentration established by the WHO
By Mark P. Trolice MD, FACOG, FACS, FACE (reproductive endocrinologist), Marta Barranquero Gómez (embryologist), Patricia Recuerda Tomás BSc, MSc (embryologist), Zaira Salvador BSc, MSc (embryologist) and Romina Packan (invitra staff).
Last Update: 02/18/2021