Objective: To review possible causes for male factor subfertility with emphasis on nutritional
factors such as zinc and folate. Design: A literature search was performed on MEDLINE and …

Objective: To study the effects of folic acid and zinc sulfate treatment on semen variables in
fertile and subfertile men. Design: Double-blind, placebo-controlled interventional study …

Current treatments of subfertile couples are usually empiric, as the true cause of subfertility
often remains unknown. Therefore, we outline the role of nutritional and biochemical factors …

We evaluated pre‐and post‐intervention endocrine and semen parameters in a double‐
blind, placebo‐controlled intervention study to investigate the underlying mechanism of …

OBJECTIVE: To illustrate the necessity for an enhanced understanding of the genetic basis
of male factor infertility, to present a comprehensive synopsis of these genetic elements, and …

Iron and copper are essential trace nutrients playing important roles in general health and
fertility. However, both elements are highly toxic when accumulating in large quantities …

Infertility and problems of impaired fecundity have been a concern through ages and is also
a significant clinical problem today, which affects 8–12% of couples worldwide. Of all …

Zinc (Zn) is the second most abundant trace element in human, which can't be stored in the
body, thus regular dietary intake is required. This review explained the physiological and …

Purpose: To evaluate the effect of folate and folate plus zinc supplementation on endocrine
parameters and sperm characteristics in sub fertile men. Materials and Methods: We …

Zinc has antioxidative properties and plays an important role in scavenging reactive oxygen
species. We hypothesized that in the absence of Zn, the possibility of increased oxidative …