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Updated: Feb 1, 2026

Combined Supine and Standing Imaging for Varicocele: An Improved Diagnostic Approach
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Published on: November 22, 2024

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Is there any Relationship between Sleeping Position and Varicocele?

Sadrollah Mehrabi1, Fatemeh Bazarganipour2, Zahra Heidari2

  • 1Clinical Research Development Unit, Shahid Beheshti Hospital, Yasuj University of Medical Sciences, Yasuj, Iran.

Urology Journal
|January 31, 2026
PubMed
Summary

Sleeping on your abdomen may increase the risk of varicocele, a common cause of male infertility. This prone sleeping position was significantly linked to the presence and severity of varicocele in infertile men.

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Area of Science:

  • Urology
  • Reproductive Medicine
  • Men's Health

Background:

  • Varicocele, characterized by abnormal pampiniform plexus vein dilation, is a leading cause of male infertility.
  • Understanding contributing factors to varicocele is crucial for reproductive health management.

Purpose of the Study:

  • To investigate the potential association between sleeping position and the occurrence of varicocele.
  • To explore if specific sleep postures correlate with varicocele presence or severity.

Main Methods:

  • A case-control study involving 231 infertile men was conducted.
  • Participants were categorized into control (no varicocele) and case (varicocele) groups.
  • Data collected included demographics, clinical varicocele grading, and sleeping position via questionnaires.

Main Results:

  • A significant relationship was found between varicocele and the prone (Faller down) sleeping position.
  • The prone sleeping position showed a significant positive correlation with the degree of varicocele (p=0.003).

Conclusions:

  • Prone sleeping position demonstrates a meaningful association with varicocele.
  • This link may be attributed to elevated intra-abdominal pressure during prone sleep.
  • Further research is warranted to validate this hypothesis and its clinical implications.