The vaginal microbiome, the community of microorganisms living in the vagina, plays a crucial role in our fertility. A healthy vaginal microbiota is dominated by lactic acid-producing Lactobacillus species. This balance helps regulate vaginal pH, protect against harmful pathogens, and support optimal fertility.
Why Vaginal Microbiome Matters for Fertility
More and more research in recent years highlights the significant impact our vaginal microbiome has on fertility. The vaginal pH, which should ideally be between 3.5 – 4.2, is a key indicator of vaginal health. Disruptions in the microbiome, such as a loss of Lactobacillus dominance and an increase in microbial diversity, can lead to vaginal dysbiosis. Dysbiosis raises vaginal pH and creates an environment hospitable to harmful bacteria, which can negatively impact sperm motility, embryo transfer outcomes, and increase the risk of miscarriage.
Risks Associated with Vaginal Dysbiosis:
- Increased Risk of Miscarriage: Research shows that low levels of Lactobacillus bacteria are linked to higher rates of miscarriage.
- Impact on Sperm: A healthy vaginal microbiome is necessary for sperm motility and survival. Elevated pH and presence of pathogens reduce the ability of the sperm to reach the egg.
- IVF and Embryo Transfer: Dysbiosis before IVF treatment significantly decreases success rates. Vaginal health is crucial for successful embryo implantation and pregnancy outcomes.
Testing
To assess vaginal microbiome health, several testing options are available: Evvy, Fertilysis, Juno, and Invivo offer detailed insights into your microbiome.
Using pH test strips is also an easy and cost-effective way to quickly and regularly assess your vaginal health.
Treating Vaginal Dysbiosis
Treating high vaginal pH and restoring a healthy microbiome is essential for fertility and overall health. Here are some methods:
- Boric Acid Suppositories: Help regulate pH levels and reduce harmful bacteria.
- Lactobacilli-Rich Foods: Incorporate fermented foods like sauerkraut and kimchi to support Lactobacillus dominance.
- Gentle Hygiene: Clean yourself with water only.
- Organic Cotton Underwear: Ensure breathability and non-toxic materials.
- Regular Menstrual Product Changes: Minimize the risk of infections and maintain a healthy pH.
Maintaining a healthy pH and supporting Lactobacillus dominance is key to optimizing reproductive health, as ongoing research continues to underscore the significant role of the vaginal microbiome in fertility.
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PMID: 35090453, 37110417, 22222853, 37780845