Arch Androl. Jan-Feb;28(1) Evaluation of sperm morphology using Kruger's strict criteria. Check JH(1), Adelson HG, Schubert BR, Bollendorf A.
To assess sperm morphology, the sperm are examined under a microscope and the Kruger criteria are strict and consider minute irregularities as abnormal.
Find out how sperm morphology can affect fertility. but we use a strict Kruger morphology that means 14 percent or more is normal range.
Isolated low sperm morphology does not appear to provide that a major advantage of the strict Kruger criteria for sperm morphology may be.