Inflammation Drives Infertility--Lifestyle and Environment Are Key
TL;DR
- Inflammation is identified as the primary driver of rising infertility rates in both men and women, impacting egg and sperm quality by disrupting metabolic health and mitochondrial function.
- Age is not the sole predictor of egg quality; lifestyle factors that decrease inflammation and improve mitochondrial health can positively influence egg function and metabolic capacity.
- Sleep is the foundational pillar for hormonal health and inflammation reduction, crucial for reproductive well-being, with seven to nine hours nightly recommended for optimal function.
- Environmental toxins, particularly endocrine disruptors found in plastics and processed foods, significantly impair fertility by interfering with hormonal systems and increasing inflammation.
- Alcohol and cannabis use negatively impact fertility by increasing inflammation, straining the body's detoxification processes, and directly downregulating hormones essential for sperm and egg production.
- Thyroid dysfunction, especially autoimmune conditions like Hashimoto's, is a prevalent cause of infertility and miscarriage, necessitating comprehensive screening beyond basic TSH levels for optimal health.
- Fertility awareness methods, including cervical mucus tracking, ovulation predictor kits, and basal body temperature monitoring, provide actionable insights into ovulation timing for conception.
Deep Dive
Inflammation is the primary, yet often overlooked, driver of rising infertility rates in both men and women, actively hijacking reproductive health by compromising egg and sperm quality and disrupting hormonal balance. This challenges the traditional focus solely on age, revealing that proactive lifestyle interventions are critical for optimizing fertility and mitigating risks for future disease.
The pervasive nature of inflammation, fueled by modern lifestyle factors such as poor sleep, chronic stress, sedentary habits, suboptimal diet, and environmental toxins, directly impairs the metabolic health and mitochondrial function essential for viable eggs and motile sperm. Specifically, inflammation and insulin resistance degrade the egg's ability to support embryonic development and compromise sperm's motility and integrity. While eggs are finite, their functional quality and mitochondrial health remain modifiable through lifestyle choices. The podcast highlights that sleep, more than often dismissed, is foundational, acting as the body's natural reset for inflammation and hormonal balance, crucial for both male and female reproductive health. For men, frequent ejaculation, ideally every 4-7 days, is vital for maintaining sperm quality, as prolonged abstinence can be detrimental.
Understanding one's own body through fertility awareness methods--cervical mucus changes, ovulation predictor kits, and basal body temperature tracking--is paramount for proactive fertility management. These methods provide critical insights into ovulation timing and hormonal function, which are often missed by standard medical evaluations that may dismiss "unexplained infertility" as undiagnosed. Furthermore, chronic inflammatory conditions, such as autoimmune diseases like celiac and thyroid disorders, significantly increase miscarriage risk. Addressing these underlying conditions and actively reducing overall inflammatory burden through diet, sleep, and toxin avoidance is essential for improving pregnancy outcomes.
Environmental toxins, particularly endocrine disruptors found in plastics, non-stick cookware, and fragrances, also play a substantial role by interfering with hormonal function and increasing inflammation. Prioritizing daily-use items, such as kitchenware, air and water filtration, and personal care products, can significantly reduce exposure. Ultimately, fertility is a team sport requiring both partners to actively manage their health, reduce inflammatory load, and prepare their bodies for the rigors of pregnancy, which is a significant physiological event.
The core takeaway is that infertility is a complex, multifactorial issue strongly linked to systemic inflammation, and a proactive, holistic approach focusing on lifestyle factors, environmental exposures, and underlying health conditions is critical for optimizing fertility and overall reproductive well-being.
Action Items
- Audit inflammation sources: Identify and reduce exposure to 3-5 daily environmental toxins (e.g., plastics, fragrances) and processed foods.
- Implement sleep hygiene: Establish a consistent 7-9 hour sleep schedule, prioritizing early evening sleep for hormonal regulation.
- Track fertility signs: Monitor cervical mucus and basal body temperature daily to identify ovulation and optimize conception timing.
- Evaluate thyroid function: Screen for thyroid antibodies and optimize thyroid hormone levels, especially for unexplained infertility cases.
- Assess autoimmune markers: Test for celiac disease and other autoimmune conditions that contribute to chronic inflammation and miscarriage risk.
Key Quotes
"We are seeing an increase in infertility but thank you so much for having me here and that we can hold space for this discussion which is something that there's a lot of stigma behind as well because many people don't understand their body their health their hormones and they don't want to talk about their fertility so by breaking down these discussions and hopefully we can help educate some people so they can understand what they should be doing or advocate for their health better."
Dr. Natalie Crawford highlights the stigma surrounding fertility discussions and the lack of understanding about reproductive health. She emphasizes the importance of open conversations to educate individuals, empowering them to advocate for their health and make informed decisions.
"The world is more inflammatory there's more obesity insulin resistance environmental chemicals and we're directly seeing that play out in sperm but we also see more women being diagnosed with low ovarian reserve I see more premature menopause than ever before I see younger patients struggling to get pregnant having higher rates of miscarriage so it's not solely just oh everything impacts the sperm we're really seeing both men and women being impacted by a change in our environment and our life and what that means for our fertility."
Dr. Crawford explains that increased inflammation, obesity, insulin resistance, and environmental chemicals are impacting both male and female fertility. She notes a rise in low ovarian reserve, premature menopause, and miscarriages, indicating a widespread effect on reproductive health due to modern lifestyle and environmental changes.
"So you've listed a handful of items do you think that the number one cause of infertility is it fair to say that it's obesity you know what I say it as I say inflammation chapter one of my book says inflammation is hijacking your fertility and this to me is many different things but obesity is largely one of them but I see a lot of patients who are not obese but they have high levels of insulin resistance they are doing behaviors they might think are healthy but the net sum of all these choices are actually leading them to have a very inflammatory life."
Dr. Crawford identifies inflammation as the primary factor hijacking fertility, rather than solely obesity. She clarifies that while obesity contributes, many non-obese individuals also experience high inflammation and insulin resistance due to lifestyle choices, leading to an overall inflammatory state detrimental to fertility.
"The older dogma is no right that tincture of time wears up and the chromosomes are going to break down and move around and you'll often hear fertility doctors say age is the number one predictor of success and yes there's a huge age component because our eggs are in our body our whole life our chromosomes are held in metaphase of meiosis which means they're all met in the middle in this perfect division you have these proteins these meiotic spindles keeping everything in perfect place and it is true the longer they are in your body they are going to start to move around more because we know those proteins break down wear and tear of our life but this metabolic health and this mitochondrial function is something we really need to pay more attention to than not enough people are."
Dr. Crawford discusses the traditional view that egg quality declines solely with age due to chromosomal wear and tear. She acknowledges the age component but emphasizes that metabolic health and mitochondrial function are crucial, offering a more nuanced perspective on egg quality that can be influenced beyond just chronological age.
"If we look at what causes inflammation in our body that we can control we've got sleep stress muscle diet and toxins and truly we're all wired a little different we all do different things and make different choices but I think the number one thing that I see that patients are not doing or they're putting at the bottom of the totem pole is going to be sleep."
Dr. Crawford lists controllable factors that cause inflammation: sleep, stress, muscle mass, diet, and toxins. She identifies sleep as the most frequently neglected factor by patients, despite its significant impact on overall health and fertility.
"Alcohol is absolutely inflammatory besides being a carcinogen and bad for your health otherwise it takes a huge load for your body to clear alcohol out of your system and what we want is it to be able to focus on making hormones ovulating appropriately you have to convince your body when you're trying to get pregnant that you're in a good place to handle the rigors of pregnancy because pregnancy is not health neutral."
Dr. Crawford explains that alcohol is inflammatory and places a significant burden on the body's system for clearing toxins. She stresses that when trying to conceive, the body needs to be in an optimal state to handle pregnancy, which is not "health neutral" due to its demanding nature.
"The things you use every day are the things of biggest potential detriment and a lot of this does come to us through fragrance and I I love fragrances but we really have to acknowledge that fragrance can be a huge endocrine disruptor and through other through smelling or getting into your skin usually if you think that you're putting on your skin like rubbing it on your skin you know your shampoo and so smelling it can be problematic but things like the laundry detergent you're using the soap that you're using on your hands the perfume you're spraying around the products you use every day are the ones you need to pay most attention to."
Dr. Crawford highlights that everyday products, particularly those containing fragrance, can be significant endocrine disruptors. She advises paying close attention to items like laundry detergent, soaps, and perfumes, as these are used consistently and can impact hormonal health through skin absorption or inhalation.
Resources
External Resources
Books
- "The Forever Strong PLAYBOOK" by Dr. Gabrielle Lyon - Mentioned as available for pre-order with exclusive bonuses.
Articles & Papers
- "Mitochondrial DNA do not accumulate damage and change the same way that our nuclear DNA does" - Mentioned as a recent study getting a lot of press and attention regarding egg quality.
People
- Dr. Natalie Crawford - Fertility specialist, advocate for proactive reproductive health, double board-certified fertility doctor with a nutrition background.
- Dr. Gabrielle Lyon - Host of "The Dr. Gabrielle Lyon Show," author of "The Forever Strong PLAYBOOK," proponent of muscle-centric lifestyle.
- Tobias Kohler - Mentioned in relation to the penis shrinking if not used and the vagina contracting if not used.
Organizations & Institutions
- Strong Medical - Mentioned as the practice where Dr. Natalie Crawford sees an increase in infertility among young women.
- The Endocrine Society - Mentioned for their guidelines on thyroid screening.
- American Society of Reproductive Medicine - Mentioned as the venue where research on PFCs and ovarian reserve was presented.
Websites & Online Resources
- timeline.com/LYON - Mentioned as the URL for Timeline nutrition to get 20% off an order.
- boncharge.com - Mentioned as the URL for BON CHARGE for 25% off during their holiday sale.
- NOBLTravel.com - Mentioned as the URL for NOBL for up to 58% off an entire order.
- nataliecrawfordmd.com - Mentioned as Dr. Natalie Crawford's website.
- youtube.com/c/NatalieCrawfordMD/videos - Mentioned as Dr. Natalie Crawford's YouTube channel.
- nataliecrawfordmd.com/podcast - Mentioned as Dr. Natalie Crawford's podcast.
- nataliecrawfordmd.com/blog-1 - Mentioned as Dr. Natalie Crawford's blog.
- drgabriellelyon.com/playbook/ - Mentioned as the URL for pre-ordering "The Forever Strong PLAYBOOK."
- foreverstrong.supercast.com - Mentioned as the URL for the Forever Strong Insider premium community.
- drgabriellelyon.com/new-patient-inquiry/ - Mentioned as the URL for applying to become a patient of Dr. Gabrielle Lyon.
- institute-for-muscle-centric-medicine.ck.page - Mentioned as the URL for Dr. Gabrielle Lyon's weekly newsletter.
- amazon.com/exec/obidos/ASIN/1668085623 - Mentioned as the URL for pre-ordering Dr. Gabrielle Lyon's new book.
- epa.gov - Mentioned as a resource to look up water quality in one's home.
- thinkdirty.com - Mentioned as a website to determine the safety of personal care products.
- ewg.org - Mentioned as a website to determine the safety of personal care products.
Other Resources
- Inflammation - Mentioned as the number one enemy to egg quality and conception, and a primary factor in infertility.
- Fertility Awareness Methods (FAMs) - Mentioned as essential methods for detecting ovulation.
- PFCs (Perfluorinated Chemicals) - Mentioned in relation to their impact on ovarian reserve and fecundability.
- Endocrine Disruptors - Mentioned as chemicals that interfere with the endocrine system and contribute to infertility.
- Thyroid disease/Hashimoto's - Mentioned as a prevalent issue in reproductive-aged women that can cause period problems, miscarriages, and infertility.
- Autoimmune disease - Mentioned as a risk factor for miscarriage and a contributor to inflammation.
- Celiac disease - Mentioned as an autoimmune condition that creates inflammation and can increase miscarriage risk.
- Uterine birth defect (e.g., uterine septum) - Mentioned as a risk factor for pregnancy loss.
- PCOS (Polycystic Ovary Syndrome) - Mentioned as a condition that can increase miscarriage rate through inflammation.
- Mitochondrial health - Mentioned as a crucial factor for egg quality and metabolic capacity.
- Circadian rhythm - Mentioned as important for hormonal health and sleep regulation.
- Hormonal health - Mentioned as the brain's ability to interpret and respond to bodily signals appropriately.
- Pregnancy - Mentioned as not being health neutral due to the significant load on a woman's body.
- Muscle health - Mentioned as a factor that patients need to focus on for overall health.
- Vaginal strictures and atrophy - Mentioned as potential consequences of not using the vagina.
- Type 4 cervical mucus - Mentioned as a sign of ovulation, characterized by being slimy, sticky, and stretchy like egg white.
- Ovulation Predictor Kits (OPKs) - Mentioned as a tool to detect the LH surge, indicating impending ovulation.
- Basal body temperature - Mentioned as a method to confirm ovulation by detecting a rise in core body temperature after ovulation.
- Synthetic thyroid hormone - Mentioned as a treatment that can be helpful for thyroid management and may decrease antibodies.
- Bioidentical hormones - Mentioned as structurally the same as hormones the body makes and can be tolerated better.
- Total body burden - Mentioned in relation to environmental exposures and the cumulative effect of toxins.
- Fragrance - Mentioned as a potential endocrine disruptor found in everyday products.
- Sperm quality - Mentioned as being impacted by factors like alcohol, cannabis, and environmental toxins.
- Egg quality - Mentioned as being impacted by inflammation, insulin resistance, and mitochondrial health.
- Recurrent pregnancy loss - Mentioned as a condition for which evaluation guidelines have changed from three losses to two.