AI Article Synopsis
- - The study aimed to assess how the COVID-19 pandemic affected sperm quality in men, due to the presence of the virus's receptor in the testicles and the increased social isolation during the pandemic.
- - Researchers analyzed 409 semen samples from men over two periods: before the pandemic and after. They found that men who had COVID-19 showed a significant decrease in sperm count, particularly in the acute phase, but levels returned to normal over time.
- - The findings suggest that the reduction in sperm count is likely linked to temporary factors such as fever and inflammation rather than direct effects of the virus or the consequences of social isolation or vaccination.
Article Abstract
Introduction: The discovery of the presence of the SARS-CoV-2 receptor and carrier protein in the testicles, along with the mandatory preventive social isolation during 2020 and subsequent immunization, prompted us to evaluate the effect of the COVID-19 pandemic on seminal variables in males seeking consultation at the laboratory.
Materials And Methods: An analytical and observational experimental design was employed. Seminal variables from semen analyses and kinetic values were analyzed using a computer-assisted sperm analysis system in 409 semen samples collected from patients attending the laboratory between April and December 2019, and April and December 2021. COVID-positive patients were stratified based on the time elapsed since the illness into three groups: less than 3 months (acute phase), 4-12 months, and more than 1 year.
Results: A significant difference (p=0.013) was found in the total sperm count per ejaculate in the COVID-positive group compared to the prepandemic and COVID-negative groups (Median (Q1-Q3): 67.49 (26.42-139.44) vs. 102.48 (43.86-197.05) and 96.72 (38.22-189.27)). When stratifying the COVID-positive group based on the time since the illness, the significant decrease (p=0.038) occurred during the acute phase, with recovery over time to values similar to the prepandemic and COVID-negative groups. Social isolation and vaccination did not have significant effects on seminal variables.
Discussion: The study revealed reversible changes in testicular function reflected by a decrease in sperm count in the total ejaculate of patients who had experienced COVID-19. These changes appear to be related to fever and inflammation rather than the virus infection itself.
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