Physical activity is not related to semen quality in young healthy men

The study results suggest that physical activity is not deleterious to testicular function, as captured by semen quality parameters in this population of healthy young men in Spain.

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Authors

Lidia Mínguez-Alarcón, Ph.D., Jorge E. Chavarro, M.D., Sc.D, Jaime Mendiola, Ph.D., Audrey J. Gaskins, Sc.D., Alberto M. Torres-Cantero, M.D., Ph.D.

Volume 102, Issue 4, Pages 1103-1109

Abstract

Objective:

To study the relationship of physical activity with semen quality among healthy young men from Spain.

Design:

Cross-sectional study.

Setting:

University and college campuses of Murcia Region, Spain.

Patient(s):

Healthy young men with untested fertility (n = 215).

Intervention(s):

A physical examination, blood and semen samples, and completion of a questionnaire.

Main Outcome Measure(s):

Semen quality parameters.

Result(s):

Physical activity was not related to semen quality parameters. The adjusted percentage differences (95% confidence interval) in semen parameters comparing men in the top quartile of moderate-to-vigorous physical activity (≥9.5 h/wk) with men in the bottom quartile (≤3 h/wk) were 4.3% (−30.2%, 38.9%) for total sperm count, 7.2% (−30.6%, 45.1%) for sperm concentration, −2.42% (−6.53%, 1.69%) for sperm motility, and 12.6% (−12.0%, 37.2%) for sperm morphology.

Conclusion(s):

In contrast to previous research among athletes, these data suggest that physical activity is not deleterious to testicular function, as captured by semen quality parameters in this population of healthy young men in Spain.

Read the full text at: http://www.fertstert.org/article/S0015-0282(14)00578-0/fulltext


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Fertility and Sterility® is an international journal for obstetricians, gynecologists, reproductive endocrinologists, urologists, basic scientists and others who treat and investigate problems of infertility and human reproductive disorders. The journal publishes juried original scientific articles in clinical and laboratory research relevant to reproductive endocrinology, urology, andrology, physiology, immunology, genetics, contraception, and menopause. Fertility and Sterility® encourages and supports meaningful basic and clinical research, and facilitates and promotes excellence in professional education, in the field of reproductive medicine.

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