Can Lyme Disease Cause Infertility? What Women Should Know

By Dr. Cynthia Hall, ND

4 MIN READ

If you are struggling with fertility and can’t find clear answers, you may be wondering: could something deeper be affecting your body? The women we treat also experience multiple other symptoms that may not feel connected, or are commonly dismissed by their standard medical care team.

For some women, underlying factors like chronic infections — including Lyme Disease and other tick-borne infections — may play a role in overall health, hormone balance and reproductive function.

While Lyme Disease is not always considered in fertility evaluations, it can be an important piece of the puzzle in certain cases.

Can Lyme Disease Affect Fertility?

Lyme Disease is a bacterial infection caused by Borrelia burgdorferi, typically transmitted through tick bites.

Research on Lyme Disease and its impact on fertility is still evolving, but it is understood that chronic infections and inflammation can influence hormone balance, immune function and overall productive health.

Rather than directly causing infertility in all cases, Lyme disease may contribute to conditions that make conception and implantation more difficult.

How Lyme Disease May Impact Fertility

1. Chronic Inflammation

   • Lyme Disease can trigger ongoing inflammation in the body.

   • Chronic inflammation may:

     • Disrupt hormone signaling

     • Affect ovulation

     • Affect egg and sperm quality

     • Interfere with Implantation

   • Inflammation is one of the key ways underlying health conditions can impact fertility.

2. Hormone Imbalance

   • Persistent infections can influence many parts of the endocrine system.

   • This may lead to:

     • Irregular cycles

     • Low progesterone

     • Thyroid dysfunction

     • Poor detoxification

     • Poor hormone metabolism

   • These imbalances can make it more difficult for the body to support conception and early pregnancy.

3. Immune System Dysregulation

   • Lyme disease can affect how the immune system responds and regulates itself.

   • In some cases, immune dysregulation may:

     • Impact ovulation

     • Impact corpus luteum health

     • Impact mitochondrial health

     • Impact adrenal gland health

     • Impact the blood-brain-barrier

     • Affect implantation

     • Increase inflammation in other areas of the body

     • Contribute to reproductive challenges

4. Impact on Energy and Overall Health

   • Chronic symptoms such as:

     • Fatigue

     • Brain fog

     • Pain

   • Can place stress on the body, making it more difficult to maintain optimal reproductive function.

Symptoms that May Overlap with Fertility Challenges

Some women experiencing Lyme Disease may also notice:

• Irregular or disrupted menstrual cycle

• Worsening PMS

• Chronic fatigue

• Poor sleep quality

• Brain fog

• Unexplained or seemingly unconnected health symptoms

Because these symptoms overlap with other conditions, Lyme disease and other tick borne infections are not often immediately considered.

Why This is Often Missed

Lyme Disease can benefit difficult to identify, especially in chronic, complex cases, or cases where a tick-bite history is unknown.

Reasons it may be overlooked include:

• Did not see tick

• Unsure if tick bit

• No Bull’s Eye rash seen

• No immediate symptoms (like fever, malaise, chills)

• Delayed or suppressed immune system response

• Symptoms mimic other conditions

• Standard testing limitations

• Focus on isolated symptoms rather than root causes

Many women are told everything is 'normal’, even when they don’t feel well.

A Root-Cause Perspective on Fertility

Fertility is influenced by multiple systems in the body, including:

• Hormones

• Immune Function

• Inflammation

• Nutritional Status

• Stress Response

When underlying factors like chronic infections are present, they may need to be addressed as part of a broader, personalized approach.

When to Consider a Deeper Evaluation:

You may want to explore this further if:

• You have unexplained fertility challenges

• You experience chronic symptoms alongside hormone issues

• You feel like something is being missed

• Known history of tick bite(s)

Support Options

A more comprehensive approach may include:

• Detailed health history

• Expanded lab testing

• Evaluation of inflammation and hormone patterns

The goal is to better understand what may be contributing to your symptoms and fertility journey.

Final Thoughts

Lyme Disease is complex, and its relationship with fertility is still being studied.

However, for some women, it may be one of the several underlying factors affecting overall health and reproductive function.

If you feel like your symptoms don’t fully add up, it may be worth taking a further look.

Dr Hall is a Lyme Literate Naturopathic Doctor with training from ILADS (International Lyme and Associated Diseases) and has substantial clinical experience treating complex manifestations of Lyme Disease and other tick-borne infections.

Learn more about Dr Hall’s Services via the link below.

Comprehensive Lyme and Fertility support is available via telehealth across California and New Hampshire.

Join Dr Hall’s appointment wait list to be the first to know when she is accepting new patients September 2026.