Spermatozoa were first described by Leeuwenhoek in the 17th century, but it was not until
1928 that the sperm count was found to be associated with fertility potential. Since that time …

We agree with previous contributors to this debate that the goal of correctly estimating a
man's fertility potential has been of great interest to many researchers for a long time (Siebel …

The relevance of sperm morphology in the diagnosis of male infertility has been discussed
by Seibel and Zilberstein (1995), Aitken and Baker (1995) and Barratt (1995) in a previous …

A comment on this article appears in" On the accuracy and clinical value of semen
laboratory tests." Hum Reprod. 1995 Feb; 10 (2): 250-2. A comment on this article appears …

The intention of this chapter is to provide brief descriptions of the basic technical procedures
fundamental to the operation of an andrology laboratory providing routine diagnostic …

A cross-sectional study was conducted to determine the semen parameters (ie volume,
concentration, motility, viability and normal morphology) of proven fertile males in Singapore …

An overview of various sperm tests is presented. The standard semen analysis obtained by
most clinicians evaluating infertility usually consists of sperm concentration, percent motility …

Pregnancy is the only irrefutable proof that a sperm can fertilize. The quality of the ejaculate
is used to predict the possible fertilizing capability of sperm by relating count, motility, and …

There are many clinicians who believe that standard sperm morphological criteria as
determined by the World Health Organization (WHO) may be one of the most reliable indices …

The objectives of this study were, firstly, to relate semen variables to treatment independent
conception rates by life-table analysis after having accounted for known female factors; …