BACKGROUND In natural conception only a few sperm cells reach the ampulla or the site of
fertilization. This population is a selected group of cells since only motile cells can pass …

For over 30 years, sperm morphology assessment has been one of the most common tests
in evaluation of fertility. This review examines the clinical relevance of sperm morphology …

I metodi qui riportati possono essere utilizzati come procedure operative standard non solo
dai laboratori di andrologia ma da ogni laboratorio che esegua l'esame del liquido …

BACKGROUND: The aim of this study was to examine the role of apoptosis and reactive
oxygen species (ROS) in inducing DNA damage in ejaculated spermatozoa. METHODS: We …

STUDY QUESTION Can a standardized assessment of abnormal human sperm morphology
provide additional useful information by identifying men with more severe disturbances in …

OBJECTIVE: To evaluate the influence of morphology of individual spermatozoa on
fertilization and pregnancy outcome. DESIGN: Retrospective analysis. SETTING: An IVF …

The very low cut-off value for sperm morphology of 4% morphologically normal
spermatozoa, as proposed in the new edition of the World Health Organization (WHO) …

This proceedings report presents the outcomes from an international workshop supported by
the European Society of Human Reproduction and Embryology (ESHRE) and Alpha …

BACKGROUND Assessment of sperm morphology (including morphometry) is extensively
used to determine one of the qualities of a semen sample and depends on the differential …

Abstract Purpose of Review The classification of morphologically normal sperm has been
progressively redefined. Concurrently, our understanding of the significance of sperm …