01 Feb 2017

Male Infertility and the Seminal Fluid Microbiota

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A recent Study illuminates a link between specific bacteria colonies and male infertility

Ninety-six semen samples were collected from men who had been diagnosed with primary infertility for at least 1 year. Also included in the study were semen samples from 36 fertile men. All participants were between the ages of 26 and 58 years and had no other significant health problems.

Study Intervention

Semen samples were collected, analyzed for bacterial communities, and evaluated for semen quality by measuring semen volume, sperm concentration, strict morphology, atypical forms, and leukocytes.

Key Findings

Normal samples had significantly higher levels of Lactobacillus and Gardnerella, while the samples deemed to be of low quality were higher in Prevotella.

Of note, 80.6% of normal semen samples were clustered in the Lactobacillus group.

The authors of this study conclude that based on their findings, they believe that supplementation with Lactobacillus could help support a healthy microbiome in the seminal fluids, thereby maximizing fertility potential.