Zinc (Zn) is a ubiquitous trace element that protects proteins and enzymes against free radical attack. The Zn molecule in Zn-containing enzymes is thought to shield specific regions of the enzyme from being oxidized, and thus, preserving its stability and activity. Additionally, since Zn does not readily undergo redox reactions, it functions to prevent free radical formation by other highly reactive metals, such as copper and iron. Therefore, Zn therapy may be an effective treatment for ROSassociated iOAT. It may act to neutralize the effects of ROS, thereby protecting sperm function. Interestingly, fertile and subfertile men have shown significant differences in their seminal plasma Zn concentrations and sperm motility [107]. Other reports indicate similar results, as it was hypothesized for Zn to work through various mechanisms in preventing OS by virtue of its stabilizing effects as an antioxi-dant [108, 109]. The basis of these findings may suggest that Zn may contribute to fertility through its positive effect on spermatogenesis. Recent studies conducted with Zn sulfate and its efficacy in combinational treatment are summarized in Table 22.8.

Pregnancy Guide

Pregnancy Guide

A Beginner's Guide to Healthy Pregnancy. If you suspect, or know, that you are pregnant, we ho pe you have already visited your doctor. Presuming that you have confirmed your suspicions and that this is your first child, or that you wish to take better care of yourself d uring pregnancy than you did during your other pregnancies; you have come to the right place.

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