Yes, a semen sample containing as little as 5% of sperm with normal morphology would be considered normal (in terms of sperm morphology), even though it may seem otherwise.
Men produce many abnormally shaped sperm, which make up the majority of the sperm in the ejaculate. Therefore, according to the 2010 World Health Organization (WHO) criteria (the most widely used, despite a 2021 update), a semen sample can be considered normal for sperm morphology with as little as 4% normal forms.
However, percentages below 4% of normal sperm would indeed indicate a semen disorder known as teratozoospermia.
Read the full article on: What Is Sperm Morphology? – Meaning & Normal Range ( 103).
Silvia Azaña Gutiérrez
B.Sc., M.Sc.
Graduate in Health Biology from the University of Alcalá and specialized in Clinical Genetics from the same university. Master in Assisted Reproduction by the University of Valencia in collaboration with IVI clinics.
License: 3435-CV
