Dr. Nashat Latib

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Microbiome gut health fertility


Gut Health & Fertility

By Dr. Nashat Latib • May 16, 2023

The Microbiome Connection

As a functional medicine doctor specializing in fertility, I’ve seen firsthand the impact a healthy microbiome and gut health can have on pregnancy and childbirth. In fact, many couples struggling to conceive may not realize that the state of their gut health could be a contributing factor to their difficulties. In this article, we’ll explore the microbiome and its impact on fertility, as well as provide practical tips for optimizing gut health for a healthy pregnancy and childbirth.

What is the Microbiome?

The microbiome refers to the trillions of microorganisms that reside in and on our bodies, including bacteria, viruses, fungi, and other microbes. The majority of these microorganisms reside in our gut, where they play an essential role in maintaining our overall health and wellbeing.

Research has shown that the microbiome is involved in a wide range of physiological functions, including digestion, immune function, and brain function. It has also been linked to the development of chronic diseases such as diabetes, obesity, and autoimmune disorders.

The Microbiome and Fertility

While the link between the microbiome and overall health is well established, the connection between the microbiome and fertility is a relatively new area of research. However, recent studies have shown that the state of the microbiome can have a significant impact on fertility and pregnancy outcomes.

For example, a study published in the journal, Human Reproduction, found that women with a higher abundance of certain types of gut bacteria were more likely to conceive naturally and have successful pregnancies. Other studies have suggested that imbalances in the gut microbiome may contribute to conditions such as polycystic ovary syndrome (PCOS), a leading cause of infertility in women.

Optimizing Gut Health for a Healthy Pregnancy

Given the importance of the microbiome in fertility and pregnancy, optimizing gut health should be a top priority for couples trying to conceive. Here are some practical tips to help support a healthy gut microbiome:

  1. Eat a nutrient-dense, whole-foods-based diet: The foods we eat can have a profound impact on the state of our gut microbiome. Focus on eating a wide variety of nutrient-dense, whole foods, including plenty of fruits, vegetables, and healthy fats.
  2. Avoid processed foods and added sugars: Processed foods and added sugars can disrupt the balance of the gut microbiome and contribute to inflammation and other health issues.
  3. Consider probiotic and prebiotic supplements: Probiotics are beneficial bacteria that can help support a healthy gut microbiome. Prebiotics are fibers that feed the beneficial bacteria in our gut. Consider supplementing with a high-quality probiotic and prebiotic to help optimize gut health.
  4. Manage stress: Chronic stress can disrupt the balance of the gut microbiome and contribute to inflammation and other health issues. Practice stress-reducing techniques such as yoga, meditation, or deep breathing.
  5. Avoid antibiotics unless absolutely necessary: Antibiotics can disrupt the balance of the gut microbiome and contribute to the development of antibiotic-resistant bacteria. Avoid taking antibiotics unless absolutely necessary, and work with your healthcare provider to explore alternatives if possible.
If you’d like to learn more about what it looks like to work with us, click here to watch our free, on-demand masterclass and discover the proprietary 4R Fertility FormulaTM we use to help you get pregnant naturally or get better results with IVF and IUI.

Gut Health Extends to Your Baby

Additionally, research has shown that the microbiome can even influence the health of a newborn. During birth, a baby is exposed to the mother’s vaginal and gut microbiome, which can help shape the infant’s own microbiome and immune system. Studies have found that infants born via cesarean section have a different microbiome than those born vaginally, which may contribute to a higher risk of certain health issues such as asthma and allergies.

Therefore, optimizing gut health is important not only for the health of the mother but also for the health of the baby. This highlights why taking steps to support a healthy microbiome should be done before and during pregnancy.

We believe that it’s also essential to work with a healthcare provider who is knowledgeable about functional medicine and fertility to help identify any imbalances in the gut microbiome and provide targeted support to optimize gut health and improve fertility outcomes.

Dr. Christina and I are functional medicine MDs who specialize in fertility. We’d love to help you on your journey to build the family of your dreams!  Check out our free, on-demand masterclass and discover the proprietary 4R Fertility FormulaTM that we use to help couples get pregnant naturally (even after failed IVF or IUI!).

Final Thoughts

Overall, the microbiome plays a critical role in fertility and pregnancy outcomes. By taking steps to optimize gut health through diet, supplements, and stress management, couples can support a healthy microbiome and improve their chances of a successful pregnancy and childbirth. Don’t underestimate the power of a healthy gut – it may be just what you need to conceive and bring a healthy baby into the world.

If you’d like to explore working with us on your fertility, watch our free, on-demand masterclass here and be more informed on your preconception journey.


  1. 1Qi X, Yun C, Pang Y, Qiao J. The impact of the gut microbiota on the reproductive and metabolic endocrine system. Gut Microbes. 2021 Jan-Dec;13(1):1-21. doi: 10.1080/19490976.2021.1894070. PMID: 33722164; PMCID: PMC7971312.
  2. Beata Banaszewska, Martyna Siakowska, Izabela Chudzicka-Strugala, R Jeffrey Chang, Leszek Pawelczyk, Barbara Zwozdziak, Robert Spaczynski, Antoni J Duleba, Elevation of markers of endotoxemia in women with polycystic ovary syndrome, Human Reproduction, Volume 35, Issue 10, October 2020, Pages 2303–2311, https://doi.org/10.1093/humrep/deaa194 
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