The World Health Organization considers a semen sample to be normal when it has at least 58% live sperm. If this percentage is lower, the result of the semen analysis would be necrozoospermia and pregnancy in a natural way would be more complicated.
By Emilio Gómez Sánchez B.Sc., Ph.D. (senior embryologist), Laura García de Miguel M.D., M.Sc. (gynecologist), Marta Barranquero Gómez B.Sc., M.Sc. (embryologist), Paloma de la Fuente Vaquero M.D., Ph.D., M.Sc. (gynecologist), Zaira Salvador B.Sc., M.Sc. (embryologist) and Michelle Lorraine Embleton B.Sc. Ph.D. (biochemist).
Last Update: 07/15/2022