BACKGROUND Semen quality is taken as a surrogate measure of male fecundity in clinical
andrology, male fertility, reproductive toxicology, epidemiology and pregnancy risk …

It is estimated that infertility affects 8–12% of couples globally, with a male factor being a
primary or contributing cause in approximately 50% of couples. Causes of male subfertility …

BACKGROUND Worldwide more than 70 million couples suffer from infertility, the majority
being residents of developing countries. Negative consequences of childlessness are …

With an average monthly fecundity rate of only 20%, human beings are not fertile mammals.
10–15% of couples have difficulties conceiving, or conceiving the number of children they …

In recent years, the treatment of male infertility has been revolutionized by advances in
assisted reproductive technology. Prepared by an authoritative international panel of …

BACKGROUND Diabetes mellitus (DM) is increasing in men of reproductive age. Despite
this, the prevalence of diabetes in men attending fertility clinics is largely unknown …

STUDY QUESTION Does the prewash total motile sperm count (TMSC) have a better
predictive value for spontaneous ongoing pregnancy (SOP) than the World Health …

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 …

OBJECTIVES: To determine the efficacy of varicocelectomy in improving semen parameters.
METHODS: A meta-analysis was performed to evaluate both randomized controlled trials …

OBJECTIVE: To determine the abnormal patterns of reactive oxygen species (ROS)
production in male factor infertility (MFI) patients and to define the ROS reference values in …