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[Effect of successive ejaculation on semen analysis parameters in normal men]
Kaiyan Pei1, Yabin Xu, Mengchun Jia
1National Research Institute for Family Planning, Beijing 100081, China.
Zhonghua Nan Ke Xue = National Journal of Andrology
|October 23, 2004
Summary
Frequent ejaculation significantly reduces semen volume and sperm count but increases sperm viability and motility. Overall semen quality remains unaffected by successive ejaculation in normal men.
Area of Science:
- Reproductive Biology
- Andrology
Context:
- Understanding the impact of ejaculation frequency on male reproductive parameters is crucial for fertility assessments.
- Previous studies have yielded varied results regarding the effects of ejaculation frequency on semen quality.
Purpose:
- To investigate the effects of successive ejaculation on key semen analysis parameters in healthy men.
- To determine if increased ejaculation frequency impacts overall semen quality.
Summary:
- Eight normal men provided daily ejaculates for analysis over eight days.
- Semen volume and total sperm count significantly decreased with successive ejaculations (P < 0.01).
- Sperm viability and motility showed a non-significant increasing trend, with some significance noted on day 7.
Impact:
- Findings indicate that while ejaculate volume and sperm count diminish with increased frequency, sperm quality parameters like viability and motility may improve.
- This study suggests that successive ejaculation does not adversely affect the overall quality of human semen, providing valuable insights for reproductive health and counseling.