Given the wide range of anomalies related to sperm morphology, a series of standardized patterns have been established for the determination of how a normal sperm morphology looks like. Bearing this in mind, deviations from this pattern may be considered as abnormal. Currently, there are two main criteria: on the one hand, the one established by the World Health Organisation (WHO) and, on the other hand, Kruger’s strict criteria.
By Cristina Mestre Ferrer BSc, MSc (embryologist), José Antonio Sánchez Férez BSc (embryologist), Dr. María Arqué MD, PhD (gynaecologist), Sara Salgado BSc, MSc (embryologist) and Romina Packan (invitra staff).
Last Update: 06/10/2015