WTF is the Vaginal Microbiome?

A Vaginal Microbiome Health Revolution

The delicate balance of microorganisms in the Vaginal Microbiome is essential for maintaining an optimal environment for conception. When this balance is disrupted, it can have significant implications for fertility.

A healthy vaginal flora can increase rates of pregnancy development by 40%¹
Lactobacillus & pH Level

The vaginal microbiome, when in a healthy state, is dominated by beneficial bacteria, primarily Lactobacillus species, which help maintain an acidic pH and create an environment inhospitable to harmful pathogens. This acidic environment is essential for protecting the reproductive tract and ensuring sperm survival and motility. An imbalanced microbiome can lead to changes in pH, creating an environment less favorable for sperm survival and motility.

Immune System Interaction

A healthy vaginal microbiome also interacts with the immune system, helping to prevent infections. Imbalances can weaken this defense mechanism, potentially leading to infections that can hinder fertility.


Disruptions in the vaginal microbiome can trigger inflammation, which, in turn, may affect the quality and function of the reproductive organs. Chronic inflammation can interfere with ovulation and the fertilization process.

Microbial Diversity

Studies suggest that a diverse and stable vaginal microbiome promotes fertility. An imbalanced microbiome with a reduced diversity of species can be less conducive to conception.

Does your Vaginal Microbiome effect your fertility?

Recent studies have found that if Lactobacillus Bacteria are not predominant in the endometrial microbiome (i.e. there is more than 10% of other bacteria), the chances of implantation, pregnancy and birth are lower.

Lactobacilli Bacteria: A real Game-Changer to Boost Fertility

Lactobacilli, often found naturally in the vaginal environment, play a pivotal role in maintaining an ideal pH balance and warding off harmful pathogens. By fortifying the presence of these friendly bacteria through our probiotics, we empower women to take charge of their reproductive health.

These probiotics create a harmonious ecosystem, making it more conducive to fertility and reducing the risk of infections that could interfere with conception.

Does Vaginal Microbiome affect Fertility?

The vaginal microbiome can potentially affect fertility, although the exact mechanisms and relationships are still an active area of research. The vaginal microbiome refers to the community of microorganisms, including bacteria, that naturally inhabit the vagina. These microorganisms play a crucial role in maintaining vaginal health and preventing infections.

It's important to note that while there is evidence to suggest a connection between the vaginal microbiome and fertility, this field of research is still evolving. The specific bacteria involved, their interactions, and the precise mechanisms are not fully understood. Furthermore, individual variations in microbiomes mean that the impact on fertility can differ from person to person.¹

How do I know if my microbiome is imbalanced?

There are some signs and symptoms that suggest a potential imbalance in the vaginal microbiome.

  1. Vaginal Discharge Changes: Changes in the color, consistency, or odor of vaginal discharge can be indicative of an imbalance. For example, an unusual or foul odor, an increase in discharge, or changes in color (e.g., grayish or greenish) can be signs of imbalance.
  2. Vaginal Itching or Irritation: Persistent itching, burning, or discomfort in the vaginal area may be a symptom of an imbalance, particularly if it is accompanied by changes in discharge.
  3. Recurrent Vaginal Infections: Frequent occurrences of conditions such as bacterial vaginosis (BV), yeast infections (e.g., candidiasis), or urinary tract infections (UTIs) may be a sign of a disrupted vaginal microbiome.
  4. Pain or Discomfort During Intercourse: Pain or discomfort during sexual intercourse, especially if it is not related to other factors such as lack of lubrication, can be indicative of an imbalance.
  5. Pelvic Pain or Discomfort: Persistent pelvic pain, which may or may not be accompanied by other symptoms, should be evaluated by a healthcare provider.
  6. Unexplained Changes in pH: A gynecologist can perform tests to assess the vaginal pH, which can provide information about the health of the vaginal microbiome.
  7. Abnormal Pap Smear Results: Abnormal results from a Pap smear or other gynecological tests may indicate an issue with the vaginal microbiome or related conditions.
  8. Hormonal Changes: Hormonal fluctuations during pregnancy, menopause, or use of certain contraceptives can sometimes lead to vaginal microbiome imbalances. If you experience significant changes during these periods, consult your healthcare provider.¹
Can I modify my vaginal microbiome through vaginal probiotics?

Yes, you can modify your vaginal microbiome through the use of vaginal probiotics. Vaginal probiotics are specifically designed to introduce beneficial bacteria directly into the vaginal environment, potentially restoring or maintaining a balanced and healthy vaginal microbiome.

Our happy ProV™ vaginal probiotics contain strains of Lactobacillus bacteria, which are typically the dominant and beneficial bacteria found in a healthy vaginal microbiome. The bacterial strains include Lactobacillus rhamnosus and Lactobacillus reuteri.¹

What are the most recent scientific papers on the Vaginal Microbiome and Fertility?

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Further consequences of an imbalanced Vaginal Microbiome:

Microbial imbalance affects overall Vaginal Health

Imbalances in Lactobacillus proportions disrupt the acidic pH of the vagina, making it more susceptible to harmful pathogens. This can lead to infections like bacterial vaginosis, potentially causing discomfort, abnormal discharge, and odor. Infections may increase the risk of reproductive tract inflammation, which can affect fertility by hindering sperm movement and embryo implantation.

Interactions Between Cervicovaginal Mucus and Microbiota

Lactobacillus imbalances affect the quality of cervical mucus, which is crucial for sperm transport. Changes in mucus composition due to these imbalances can hinder sperm's ability to pass through the cervix, reducing the chances of successful fertilization.

Lactobacillus Disruption and Endometrial Receptivity

Imbalanced Lactobacillus levels in the vaginal microbiome can lead to chronic inflammation in the reproductive tract, including the endometrium. Inflamed endometrium may not provide an ideal environment for embryo implantation, making it harder to achieve successful pregnancies in women with imbalanced vaginal microbiomes.

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