Morphology is assessed against strict criteria, and even in fertile men only a small percentage of sperm are perfectly formed, so a low percentage is common and often less significant than it sounds. It is one part of the overall picture and rarely a reason for treatment decisions on its own.
Also known as: teratozoospermia, sperm shape, normal forms
Related Australia guides
Sources
- WHO laboratory manual for the examination and processing of human semen (who.int)
- Healthy Male (healthymale.org.au)
Last reviewed: 10 September 2026. Written by the Antega Editorial Team. General information only โ always follow the advice of your own clinic, doctor or pharmacist.
