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Effects of work and life stress on semen quality
Journal Title
Fertility and Sterility
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Publication Date
2014-08
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Publication Volume
102
Publication Issue
2
Publication Begin
530
Publication End
538
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Abstract
Objective: To evaluate associations between work-related stress, stressful life events, and perceived stress and semen quality.
Design: Cross-sectional analysis.
Setting: Northern California.
Patient(s): 193 men from the Child Health and Development Studies evaluated between 2005-2008.
Intervention(s): None.
Main outcome measure(s): Measures of stress including job strain, perceived stress, and stressful life events; outcome measures of sperm concentration, percentage of motile sperm, and percentage of morphologically normal sperm.
Result(s): We found an inverse association between perceived stress score and sperm concentration (estimated coefficient b=-0.09×10(3)/mL; 95% confidence interval [CI]=-0.18, -0.01), motility (b=-0.39; 95% CI=-0.79, 0.01), and morphology (b=-0.14; 95% CI, -0.25, -0.04) in covariate-adjusted linear regression analyses. Men who experienced two or more stressful life events in the past year compared with no stressful events had a lower percentage of motile sperm (b=-8.22; 95% CI, -14.31, -2.13) and a lower percentage of morphologically normal sperm (b=-1.66; 95% CI, -3.35, 0.03) but a similar sperm concentration. Job strain was not associated with semen parameters.
Conclusion(s): In this first study to examine all three domains of stress, perceived stress and stressful life events but not work-related stress were associated with semen quality.
Citation
Janevic T, Kahn LG, Landsbergis P, Cirillo PM, Cohn BA, Liu X, Factor-Litvak P. Effects of work and life stress on semen quality. Fertil Steril. 2014 Aug;102(2):530-8. doi: 10.1016/j.fertnstert.2014.04.021. Epub 2014 May 23. PMID: 24856463; PMCID: PMC4382866.