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Background
Psychological stress is prevalent among reproductive‐aged men. Assessment of semen quality for epidemiological studies is challenging as data collection is expensive and cumbersome, and studies evaluating the effect of perceived stress on semen quality are inconsistent.
Objective
To examine the association between perceived stress and semen quality.
Material and methods
We analyzed...
Background
Several studies indicate adverse effects of selected heat exposures on semen quality, but few studies have directly evaluated fertility as an endpoint.
Objective
We evaluated prospectively the association between male heat exposures and fecundability, the per‐cycle probability of conception.
Materials and methods
We analyzed data from 3041 couples residing in the United States or Canada...
Background
Humanin has reportedly been expressed in testis and spermatozoa, but no study has yet reported its presence in human seminal plasma (SP).
Objective
The aim of this study was to investigate the presence of humanin in human SP and to determine the correlation between humanin levels in SP/spermatozoa and sperm quality.
Materials and methods
Semen samples for SP/sperm humanin level measurement...
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