Int J Mol Sci
March 2024
Background: Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) may affect the male reproductive system as it uses angiotensin-converting enzyme (ACE)2, which is expressed in testicular tissue, as an entry point into the cell. Few studies have evaluated the long-term effects of mild coronavirus disease 2019 (COVID-19) on testicular function, and insulin-like factor 3 (INSL3) levels have not previously been assessed during acute SARS-CoV-2 infection.
Objectives: The aim of the study was to assess the impact of acute SARS-CoV-2 infection on testicular function including INSL3 and the presence of SARS-CoV-2 RNA in semen in non-hospitalised men with mild COVID-19.
This article reviews the current studies published on the transmission of SARS-CoV-2 in semen and the potential effect of COVID-19 on male fertility. The aim was to provide insight into different possible mechanisms of involvement of the male reproductive system by SARS-CoV-2 infection and to evaluate the studies investigating the presence of virus in semen. It is concluded that the likelihood of SARS-CoV-2 transmission through semen is low and that COVID-19 may negatively affect semen parameters, but that the impairment is probably short-termed.
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