Cause of declining male fertility rate may have been identified

  • 1 Min To Read
  • 20 days ago

A recent study by the department of urology at the University of California, Los Angeles (UCLA) has shed light on the existence of a semen microbiome that could potentially impact male fertility. The research focused on the bacteria Lactobacillus iners, which is commonly found in the female genital microbiome and has been linked to bacterial vaginosis in women. The study found that this particular microbe can negatively affect sperm motility, thus potentially impacting fertility.

In addition, the researchers also discovered that three types of bacteria from the Pseudomonas group were present in patients with both normal and abnormal sperm concentrations. Pseudomonas fluorescens and Pseudomonas stutzeri were more common in patients with abnormal sperm concentrations, while Pseudomonas putida was less common in samples with abnormal sperm concentrations. This highlights the complex relationship between different types of bacteria and their effects on male fertility.

Lead author Dr. Vadim Osadchiy emphasized the need for further research into the microbiome and its connection to male infertility. The findings from this study provide valuable insights that can guide future investigations into the correlation between the semen microbiome and fertility. With fertility rates declining globally, understanding the role of bacteria in male reproductive health is becoming increasingly important.

Overall, this study contributes to a growing body of research on the impact of bacteria on human health, both internally and externally. The findings suggest that the microbiome in semen may play a significant role in male fertility, and further research is needed to fully understand this relationship.


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