Functional Medicine for Fertility: Improving Fertility Naturally

For many couples, trying to conceive can feel overwhelming, confusing, and emotionally exhausting. You may be doing “everything right” — tracking cycles, eating well, taking the supplements — but still not getting pregnant. 

Next step? You visit your OB-GYN. The conventional approach to fertility care often focuses on managing symptoms or using interventions like medications, IUI, or IVF, which can be life-changing for many people. However, these approaches often don’t address why fertility challenges are happening in the first place.

This is where functional medicine for fertility offers a different perspective. Rather than focusing solely on reproductive function or isolated symptoms, functional medicine looks at fertility as a reflection of overall health. It seeks to identify and address underlying imbalances throughout the entire body that may be interfering with hormone balance, egg or sperm quality, conception, implantation, or a healthy pregnancy.

In this blog, we’ll explore how functional medicine approaches fertility, common root causes of fertility challenges, the types of testing and treatments used, and how this model can support both natural conception and conventional fertility treatments.



What Is Functional Medicine?

Functional medicine is an evidence-based, systems-oriented approach to health that focuses on identifying and addressing the root causes of disease.

At its core, functional medicine recognizes that the body is an interconnected system. Hormones, digestion, immunity, detoxification, metabolism, and the nervous system all influence one another. When one system is out of balance, it can affect all the other systems.

Core Principles of Functional Medicine

  • Root-cause resolution: Addressing underlying imbalances rather than suppressing symptoms

  • Personalized care: Finding what works for your unique body

  • Whole body health: Promoting health of the entire body rather than isolating body systems or symptoms

  • Patient-centered partnership: Collaborative care that empowers patients with education and support

It’s the way healthcare is meant to be - a partnership to get you real results in your health. For fertility, this approach is a true game changer.



The Functional Medicine Approach to Fertility

From a functional medicine perspective, fertility is not an isolated function — it is a reflection of overall health. Often, if another system in the body is struggling, reproductive function is the first to suffer. If the body perceives chronic stress, inflammation, nutrient deficiencies, blood sugar instability, or toxin overload, it gets the signal that now is not a good time to reproduce and reproductive function is put on the back burner. This is why we need to address the entire body when looking to address fertility issues.

Functional medicine looks at a few key areas of health when addressing fertility:

  • Hormones: Estrogen, progesterone, testosterone, thyroid hormones, cortisol, and insulin

  • Gut health: Digestion, nutrient absorption, and immune regulation

  • Immune system: Inflammation and autoimmunity

  • Detoxification pathways: Liver health and toxin clearance

  • Metabolic health: Blood sugar balance and insulin sensitivity

  • Nervous system: Stress response and hormonal signaling

Functional medicine seeks to optimize these systems so the body feels safe enough to reproduce and has the necessary resources to support reproductive health.



Common Root Causes of Fertility Challenges

While fertility struggles are often labeled with diagnoses such as PCOS or “unexplained infertility,” functional medicine looks deeper to uncover why these issues are happening and address contributing factors. Here are some common causes of fertility problems that often get missed by the conventional approach:

Hormonal Imbalances

Conditions like PCOS, luteal phase defects, estrogen dominance, or low progesterone can interfere with cycle regularity, egg health, ovulation, and implantation. Functional medicine takes it one step farther to figure out why these hormonal imbalances are happening and how we can address those underlying contributors to bring balance to hormones and improve reproductive function.

Thyroid Dysfunction

Even subtle thyroid imbalances — including subclinical hypothyroidism or autoimmune thyroid disease — can impact ovulation, cycle regularity, and pregnancy outcomes. We need to look at so much more than just TSH to truly evaluate thyroid health.

Insulin Resistance and Blood Sugar Imbalance

Blood sugar instability can disrupt ovulation, increase inflammation, and worsen hormonal conditions like PCOS.

Chronic Inflammation

Low-grade inflammation can interfere with egg quality, sperm quality, and implantation. Inflammation often stems from poor nutrition, gut issues, infections, chronic stress, or environmental toxins.

Gut Dysbiosis and Poor Digestion

An unhealthy gut can impair nutrient absorption, hormone detoxification, and immune balance — all essential for optimal fertility.

Nutrient Deficiencies

Key nutrients for supporting fertility include iron, zinc, selenium, magnesium, B vitamins (especially folate), vitamin D, choline, and omega-3 fatty acids. Most of our diets are deficient in these essential nutrients and just a prenatal vitamin may not be enough to fill the gaps.

Environmental Toxins

Endocrine-disrupting chemicals found in plastics, cosmetics, cleaning products, and food packaging can interfere with hormone signaling. Unfortunately, these toxins are everywhere and symptoms of toxic burden may not always be obvious.

Chronic Stress and HPA Axis Dysregulation

Long-term stress alters cortisol patterns, which can suppress reproductive hormones and disrupt cycles.

Male Factor Infertility

It takes two to make a healthy baby and often the male partner gets totally overlooked or dismissed. Functional medicine also addresses sperm health, including count, motility, morphology, oxidative stress, and nutrient status — factors that are often under appreciated.



Functional Medicine Testing for Fertility

One of the strengths of functional medicine is comprehensive, personalized testing that goes beyond basic hormone labs. You can find the foundational labs that I recommend for all fertility patients here. But, sometimes we need to dig a little deeper with specialty testing.

Some of my favorite functional tests for fertility:

  • Advanced hormone testing: DUTCH testing to assess sex hormones, cortisol, detox, and more

  • Gut testing: Comprehensive stool testing for microbiome health, infections, inflammation, and more

  • Micronutrient testing: Identifying deficiencies that impact fertility

  • Toxin testing: Assess toxic burden and its possible impact on reproductive health

These results help us find answers when the conventional approach falls short. From here, we can create individualized treatment plans rather than one-size-fits-all protocols so we can finally move the needle for your fertility. 



Personalized Treatment Strategies in Functional Medicine

Functional medicine fertility care focuses on restoring balance through sustainable lifestyle and targeted therapeutic interventions rather than pharmaceuticals or “quick fix” band-aid solutions. After we’ve taken a deep dive into your unique health history and symptom picture, a functional medicine approach aims to treat the whole body to restore health to the entire system.

The functional medicine toolbox looks a little different than the conventional model of healthcare. We always start with the foundations of health - nutrition, movement, stress management, and sleep. With the right foundations in place, we can work with your body rather than against it to truly see your health start to change and your body finally start to heal.

The Functional Medicine Toolbox

Food as Medicine

Nutrition is foundational. A fertility-supportive diet often emphasizes:

  • Whole, nutrient-dense foods

  • Adequate protein and healthy fats

  • Anti-inflammatory foods

  • Blood sugar balance

  • Individualized adjustments

Targeted Supplementation

Rather than generic prenatal vitamins alone, supplements are tailored to address specific deficiencies and imbalances.

Supporting Gut Health

Improving digestion, restoring beneficial bacteria, and reducing gut inflammation support hormone balance and nutrient absorption.

Stress Reduction and Nervous System Support

Mind-body practices such as meditation, breathwork, acupuncture, gentle movement, and adequate rest help regulate the stress response.

Sleep Optimization

Quality sleep is essential for hormone production, blood sugar regulation, and immune balance.

Detoxification Support

Supporting liver health and reducing toxin exposure helps normalize hormone metabolism.

Lifestyle and Environmental Changes

Simple shifts — such as switching to non-toxic personal care products or reducing plastic use — can have big impacts on our hormones.


Functional Medicine and Conventional Fertility Treatments

Functional medicine does not replace conventional fertility care. They serve different purposes that can often complement each other. Conventional fertility treatments provide incredible options, like IUI or IVF, for helping couples grow their families. However, IUI or IVF should rarely be the first line treatment. That’s where functional medicine comes in.

Functional fertility treatments provide the necessary foundations for all fertility journeys (in my opinion). Often, a functional medicine approach is enough to help couples grow their families, but if conventional treatments are needed, the body is already set up for success by taking the time to address and improve their overall health with functional medicine first. 

Many people turn to functional medicine either before starting IUI or IVF treatments or as complementary support during treatment cycles. Here’s some of the benefits of adding functional medicine into your fertility treatment plan:

  • Improved egg and sperm quality

  • Better hormone balance and response to treatments

  • Support for implantation and early pregnancy

  • Reduced side effects and treatment burnout

  • Emotional and mental health support

Whether you’re just starting the trying to conceive journey or you’re moving into IUI or IVF, functional medicine provides a powerful tool for getting you closer to growing your family.

Let’s Take A Functional Medicine Approach to Your Fertility Together

If you’re feeling like you’re ready for a fresh approach to your fertility, you’ll want to check out my signature program - Shift Fertility Method. It’s my clinically proven, 3 step method to help you get pregnant naturally.

Inside the Shift Fertility Method, you get:

-12 weeks 1:1 with me for in depth, personalized support

-Comprehensive labs that may include serum (blood) labs, GI Map, DUTCH hormone testing, reproductive microbiome testing, or others depending on your unique needs

-Evidence based, personalized protocol to move the needle for your fertility

-20% discount on professional grade supplements to see powerful results at a price you can afford

-24/7 messaging access to me so you feel fully supported 


Why waste more time trying to figure it out alone or just trying the next “quick fix”?

If you’re ready to stop guessing and finally get closer to growing your family, let’s connect.

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Functional Medicine in Montana