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MALE INFERTILITY AND PHYSIOLOGICAL ROLE OF ZINC | ||
| IRAQI JOURNAL OF MEDICAL SCIENCES | ||
| Article 1, Volume 4, Issue 1, 2005, Pages 67-71 | ||
| Authors | ||
| Aqeel A.A. Al-Ani; Nazar A. Naji; Ali T. Al-Baldawi | ||
| Abstract | ||
| Background: Male infertility is the inability to conceive a baby in the absence of female causes. Most causes reflect an abnormal sperm count or quality. Zinc is a component of semen and plays an important role in the process of reproduction and sexual maturation. Objectives: To asses the relationship between concentration of zinc in serum, seminal plasma and semen quality among infertile and fertile men to clarify the possible impact of zinc in male reproductive system. Methods: Fifty-eight male (infertile group) partners who were undergoing investigation for infertility and thirty-seven men (fertile group) whose wife were pregnant and have normal sexual life studied as a control group. Seminal fluid analysis, reproductive hormones (luteinizing hormone, follicular stimulating hormone and testosterone) were analyzed by using radioimmunoassay method (RIA) while serum and seminal plasma zinc concentration were determined by using colorimetric methods. Results: All semen properties (count, motility and morphology) for the infertile group were lower than for the fertile group. No significant differences were found in the levels of L.H. and F.S.H. between the two groups while testosterone levels were significantly lower in the infertile men group than in the fertile group (p<0.005). It was also found that the mean level of serum and seminal plasma zinc concentration were significantly lower in the infertile group compared to the fertile group (p<0.0001). No correlation was found between the concentrations of zinc in serum and seminal plasma in both groups. A lack of correlation was also found between zinc concentrations in serum and seminal plasma with semen properties. Conclusion: The study revealed the importance of zinc in fertility through its direct and its indirect effects on spermatogenesis. Keywords: Male infertility, Zinc, semen, spermatogenesis | ||
| Keywords | ||
| Male infertility; Zinc; Semen; Spermatogenesis | ||
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