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General Health & Fitness
Health & Wellness
Stress Reduces Sperm Quality
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<blockquote data-quote="Nelson Vergel" data-source="post: 40434" data-attributes="member: 3"><p>Psychological stress and testicular function: a cross-sectional study of 1,215 Danish men.</p><p>Nordkap L, et al. Fertil Steril. 2016.</p><p></p><p></p><p>Abstract</p><p></p><p>OBJECTIVE: To study the associations between self-reported psychological stress, semen quality, and serum reproductive hormones among young Danish men.</p><p></p><p>DESIGN: Cross-sectional study.</p><p></p><p>SETTING: University hospital-based research center.</p><p></p><p>PARTICIPANT(S): Danish men (median age 19 years) from the general population were investigated from 2008 to 2012.</p><p></p><p>INTERVENTION(S): Participants completed a questionnaire on health and lifestyle, including a four-item questionnaire about self-rated stress, had a physical examination performed, delivered a semen sample, and had a blood sample drawn.</p><p></p><p>MAIN OUTCOME MEASURE(S): Semen parameters (semen volume, sperm concentration, and percentages of motile and morphologically normal spermatozoa) and serum levels of reproductive hormones (LH, FSH, T, calculated free T, sex hormone-binding globulin, and inhibin B).</p><p></p><p>RESULT(S): Poorer semen quality was detected among men with self-reported stress scores above an intermediate stress level, in a dose-response manner. For example, men with the highest stress levels had 38% (95% confidence interval [CI] 3%; 61%) lower sperm concentration, 34% (95% CI 59%; 106%) lower total sperm count, and 15% (95% CI 1%; 27%) lower semen volume than men with intermediate stress levels. No significant associations between self-reported stress and levels of reproductive hormones were detected.</p><p></p><p>CONCLUSION(S): A negative association between self-reported stress and semen quality was detected. If causal, stress may be a contributing factor for suboptimal semen quality among otherwise healthy men.</p></blockquote><p></p>
[QUOTE="Nelson Vergel, post: 40434, member: 3"] Psychological stress and testicular function: a cross-sectional study of 1,215 Danish men. Nordkap L, et al. Fertil Steril. 2016. Abstract OBJECTIVE: To study the associations between self-reported psychological stress, semen quality, and serum reproductive hormones among young Danish men. DESIGN: Cross-sectional study. SETTING: University hospital-based research center. PARTICIPANT(S): Danish men (median age 19 years) from the general population were investigated from 2008 to 2012. INTERVENTION(S): Participants completed a questionnaire on health and lifestyle, including a four-item questionnaire about self-rated stress, had a physical examination performed, delivered a semen sample, and had a blood sample drawn. MAIN OUTCOME MEASURE(S): Semen parameters (semen volume, sperm concentration, and percentages of motile and morphologically normal spermatozoa) and serum levels of reproductive hormones (LH, FSH, T, calculated free T, sex hormone-binding globulin, and inhibin B). RESULT(S): Poorer semen quality was detected among men with self-reported stress scores above an intermediate stress level, in a dose-response manner. For example, men with the highest stress levels had 38% (95% confidence interval [CI] 3%; 61%) lower sperm concentration, 34% (95% CI 59%; 106%) lower total sperm count, and 15% (95% CI 1%; 27%) lower semen volume than men with intermediate stress levels. No significant associations between self-reported stress and levels of reproductive hormones were detected. CONCLUSION(S): A negative association between self-reported stress and semen quality was detected. If causal, stress may be a contributing factor for suboptimal semen quality among otherwise healthy men. [/QUOTE]
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Stress Reduces Sperm Quality
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