Dr. Nashat Latib

indoor air pollution fertility

FERTILITY

Indoor Air Pollution & Fertility

By Dr. Nashat Latib • June 18, 2025

Natural Ways To Eliminate Indoor Air Toxins

Couples often focus on optimizing diet, exercise, and supplements when trying to conceive, but one crucial aspect often overlooked is the impact of environmental factors. A major fertility disruptor that most people completely forget about is the air inside your home.

From hormone-disrupting chemicals to reproductive toxins that impact egg quality, sperm function, implantation, and pregnancy outcomes, indoor air pollution is an underrecognized threat to fertility and full-term pregnancy.

Fortunately, indoor plants are a natural and easy way to combat common household air pollution and its sources.

Why Is Air Pollution A Health Concern?

Indoor air pollution is a significant and often overlooked issue that impacts our health and well-being. We spend a staggering amount of time indoors – on average, Americans spend approximately 90% of their time inside buildings, whether at home, work, or school. [1]

We bring in a lot of chemicals from outside just by walking through the door—our shoes track in pollutants that then get spread throughout the house. 

But even more concerning is what’s already inside. Toxins can come from everyday items like cleaning products, furniture that releases off-gassing chemicals, dry-cleaned clothes, and even toiletries like toilet paper!

Plus, modern construction practices emphasize energy efficiency, so many buildings are designed to be airtight, with windows and doors remaining closed for extended periods. While this conserves energy, it also allows pollutants from indoor sources to accumulate.

Over time, these contaminants can build up to levels that far exceed outdoor air pollution levels. 

A few household toxins are particularly concerning for human health, especially for those looking to conceive and carry a healthy baby to term.

Common Household Toxins & Their Sources

1. Formaldehyde

Formaldehyde is a colorless gas that can be released into the air from certain products or processes via off-gassing. This common toxin is found in many household items, such as furniture, carpets, and particleboard. It is also present in paints, varnishes, and cleaning products you are exposed to daily. It’s also a key ingredient in embalming fluid (let that sink in for a minute). 

Exposure to formaldehyde has been linked to decreased fertility in both men and women, as it can disrupt hormone balance and damage reproductive cells. [2] It is also a known carcinogen. Plus, formaldehyde exposure during pregnancy has been linked to increased risk of miscarriage and fetal growth restriction, particularly in animal models. [3]

Formaldehyde is particularly noxious because this off-gassing process happens for years. The Agency for Toxic Substances and Disease Registry indicates that most formaldehyde off-gasses within the first two years, with peak emissions when the products are newly manufactured, which then decline over time. [4]

2. Benzene

Benzene is a volatile organic compound (VOC) that can be found in plastics, synthetic fibers, and pesticides. It is also present in cigarette smoke and vehicle exhaust fumes, which can enter your home from outdoor air. [5]

The reason benzene poses such a threat to fertility is that it can directly damage cells and chromosomes. Benzene metabolites can bind to DNA and proteins, disrupting cell division and causing mutations. This can impair the development and maturation of reproductive cells like sperm and eggs.

Benzene exposure has been associated with menstrual disorders, hormone imbalances, and decreased ovarian function in women. [6] In men, exposure to benzene can lead to decreased sperm count, reduced sperm motility, and abnormal sperm shape. [7] 

Benzene can cross the placenta, potentially affecting embryonic development and increasing the risk of low birth weight, preterm birth, and pregnancy loss. [8]

Certain categories of products are more likely to contain benzene, such as:

  • Gasoline and other fuels
  • Rubbers, plastics, resins
  • Lubricants and greases
  • Detergents and degreasers
  • Paints, stains, and varnishes
  • Adhesives and sealants

However, it’s important to note that if benzene is present in a product but not above a certain level, it may not be legally required to list it, even if it’s present in the product.

3. Trichloroethylene (TCE)

TCE is a solvent commonly used in dry cleaning, carpet cleaning, and metal degreasing. It’s also found in some home products like spot removers, printing inks, adhesives, and cleaning wipes. TCE readily evaporates into the air from these products, leading to potential inhalation exposure. 

Like formaldehyde, TCE is a reproductive toxin that can impair fertility in both men and women. TCE is thought to harm fertility by damaging DNA, causing oxidative stress, disrupting hormones, and directly poisoning sperm, eggs, and reproductive organs.  

Studies have found that exposure to TCE is associated with reduced sperm counts, decreased sperm motility, and higher rates of sperm abnormalities. [9] TCE has been linked to female reproductive toxicity, increasing risks of miscarriage, menstrual cycle irregularities, and potential ovarian dysfunction. [10] TCE exposure during pregnancy can increase a baby’s risk of cardiac defects and immune disorders. Even low TCE exposures from common activities like home dry cleaning have been linked to higher miscarriage rates. [11]

4. Xylene

Xylene is another volatile organic compound that can be found in many consumer products, such as paints, varnishes, and cleaning agents. It is also present in gasoline and vehicle exhaust fumes

In men, xylene exposure has been linked to decreased sperm count, reduced motility, and damage to testicular tissue structure [12]. Studies also show that it may disrupt hormone production by interfering with the hypothalamic-pituitary-gonadal axis, leading to lower testosterone levels and impaired sperm development.

Exposure to xylene has been associated with menstrual disorders and reduced fertility in women, disrupting normal reproductive function by interfering with hormone-signaling pathways in the ovaries and uterus. [13]

Xylene is able to pass from a pregnant woman’s bloodstream through the placenta and reach the developing fetus. According to CDC reports, studies in animals suggest that high exposures to xylene may be toxic to the fetus. [14]

Fertility-Focused Detox Starts with Air

For couples preparing for pregnancy, detoxing your air is a powerful way to reduce your body’s toxic burden before conception.

It takes 90–120 days for egg and sperm to mature, which means the environment you create now can directly influence conception outcomes and your baby’s early development. Reducing exposure to airborne reproductive toxins gives your hormones, mitochondria, and DNA the best possible conditions for a successful pregnancy.

How To Naturally Clean Your Indoor Air

While indoor air pollution is a major concern, there are effective ways to improve the air quality inside your home or office. 

Using an air purifier can help remove many common indoor pollutants from the air. Look for proven high-quality purifiers like Air Doctor models that utilize HEPA filters and activated carbon to capture particles, volatile organic compounds, and other contaminants. 

But don’t stop there. You can take other simple steps that make a real difference:

  • Change your HVAC filters regularly. Ideally, every 1–3 months, especially if you have pets or allergies. Use high-efficiency filters rated MERV 13 or higher for better particle capture.
  • Vacuum with a HEPA filter. Standard vacuums can kick up dust and allergens. HEPA vacuums trap and lock them in.
  • Avoid synthetic air fresheners. Most contain phthalates and other hormone-disrupting chemicals. [15] Try essential oil diffusers or make a DIY room spray using water, witch hazel, and pure essential oils.
  • Ventilate when possible. Open windows to let fresh air in—especially when cooking, cleaning, or using new furniture or building materials.
  • Skip toxic cleaners. Many release fumes that linger in the air. Choose natural, fragrance-free options or make your own with vinegar and baking soda.
  • Run exhaust fans. Use them in the kitchen and bathroom to help clear moisture, VOCs, and other airborne irritants.

In addition to those steps, houseplants can be a natural and aesthetically pleasing way to help clean indoor air

Plants absorb carbon dioxide and release oxygen through photosynthesis, but many also excel at removing harmful gases from the air we breathe indoors. With their ability to passively filter toxins, plants make great additions to improve indoor air quality.

Houseplants That Help Eliminate Toxins & Boost Fertility

  1. Snake Plant (Sansevieria trifasciata)

The snake plant, also known as mother-in-law’s tongue, is a popular houseplant known for its ability to remove formaldehyde, benzene, and trichloroethylene from the air. According to a landmark NASA study, a single snake plant can remove up to 31,294 micrograms of formaldehyde per hour. [16] Snake plants are a good choice for pet owners because they are non-toxic and safe for dogs and cats.

  1. Spider Plant (Chlorophytum comosum)

Spider plants effectively remove formaldehyde, xylene, and benzene from the air. [17] They are also easy to grow and propagate, making them an excellent choice for beginners. Spider plants are also non-toxic to pets and considered low-risk.

  1. Peace Lily (Spathiphyllum)

Peace lilies are not only beautiful but also excellent at removing formaldehyde, benzene, and trichloroethylene from the air. A single peace lily can remove up to 16,167 micrograms of formaldehyde per hour. [16] As pretty as they are, they’re also toxic to pets if ingested, so keep them away from your furry friends.

  1. Bamboo Palm (Chamaedorea seifrizii)

Another pet-friendly option, bamboo palms effectively remove formaldehyde, benzene, and trichloroethylene from the air. [16] They also help increase relative humidity levels, preventing dry air issues like poor sleep quality (which can certainly affect fertility), respiratory irritation, and dry, itchy skin.

  1. Gerbera Daisy (Gerbera jamesonii)

Gerbera daisies are cheerful, colorful, and effective at removing formaldehyde and trichloroethylene from the air. They also release oxygen at night, making them ideal for bedrooms. However, if you sleep in the same room as your pets, put your gerbera daisy out of their reach, as gerbera daisies are mildly toxic to dogs and cats if ingested.

Other notable air-purifying plants include:

  • Aloe Vera: Removes formaldehyde and benzene from the air 
  • English Ivy (Hedera helix): Effective at removing formaldehyde, benzene, and xylene 
  • Boston Fern: Removes formaldehyde, xylene, and benzene from the air 
  • Chinese Evergreen: Removes formaldehyde, benzene, and other VOCs 
  • Areca Palm: Effective at removing indoor air pollutants like formaldehyde, xylene, and carbon dioxide 
  • Golden Pothos (Devil’s Ivy): Removes formaldehyde, xylene, and benzene from the air 
  • Weeping Fig: Effective at removing formaldehyde, xylene, and benzene 

The NASA Clean Air Study recommends having at least one plant per 100 square feet of space to noticeably improve indoor air quality. So if your home is around 2,000 square feet, that means you’d want about 20 houseplants to get the full benefit.

If you live near a freeway, busy road, or industrial area, adding even more plants can help filter out extra pollutants like fine particulate matter and traffic-related chemicals.

[RH] House Plants Infographic

Conclusion

Incorporating air-purifying plants into your living space is a simple and natural way to eliminate common indoor air pollutants that can negatively impact your fertility. You can create a cleaner, healthier environment that supports your reproductive health by choosing plants like snake plants, spider plants, peace lilies, bamboo palms, and gerbera daisies.

These indoor plants not only help remove toxic chemicals but also provide numerous other health benefits, such as reducing stress, improving mental health, and increasing productivity. [18] As an added bonus, they can add a touch of nature to your indoor environments, making your home or office space more inviting and comfortable.

Remember, while houseplants can help reduce toxins, minimizing the use of toxic products in your home and maintaining a balanced diet and lifestyle to optimize your fertility is essential. By taking a holistic approach to your physical and psychological health, you can create the best possible environment for conception and a healthy pregnancy.

With hope and gratitude,

Signature | Dr. Nashat Latib

References

[1] Improving your indoor environment | US EPA. (2025, April 9). US EPA. https://www.epa.gov/indoor-air-quality-iaq/improving-your-indoor-environment

[2] Formaldehyde – Cancer-Causing substances. (2024, August 6). Cancer.gov. https://www.cancer.gov/about-cancer/causes-prevention/risk/substances/formaldehyde

[3] Haffner, M. J., Oakes, P., Demerdash, A., Yammine, K. C., Watanabe, K., Loukas, M., & Tubbs, R. S. (2015). Formaldehyde exposure and its effects during pregnancy: Recommendations for laboratory attendance based on available data. Clinical Anatomy, 28(8), 972–979. https://doi.org/10.1002/ca.22623

[4] Formaldehyde in Your Home: What you need to know | Formaldehyde and Your Health | ATSDR. (n.d.). https://archive.cdc.gov/www_atsdr_cdc_gov/formaldehyde/home/index.html

[5] World Health Organization. (2010). Exposure to Benzene: A Major Public Health Concern.  https://www.who.int/publications/i/item/WHO-CED-PHE-EPE-19.4.2

[6] Chen, D., Cho, S. I., Chen, C., Wang, X., Damokosh, A. I., Ryan, L., … & Xu, X. (2000). Exposure to benzene, occupational stress, and reduced birth weight. Occupational and Environmental Medicine, 57(10), 661-667. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1739869/

[7] Grace Kawas Lemasters, Donna M Olsen, James H Yiin, James E Lockey, Rakesh Shukla, Sherry G Selevan, Steve M Schrader, Greg P Toth, Donald P Evenson, Gabor B Huszar, Male reproductive effects of solvent and fuel exposure during aircraft maintenance, Reproductive Toxicology, Volume 13, Issue 3, 1999, Pages 155-166, ISSN 0890-6238, https://doi.org/10.1016/S0890-6238(99)00012-X.

[8] Cassidy-Bushrow, A. E., Burmeister, C., Lamerato, L., Lemke, L. D., Mathieu, M., O’Leary, B. F., Sperone, F. G., Straughen, J. K., & Reiners, J. J. (2020). Prenatal airshed pollutants and preterm birth in an observational birth cohort study in Detroit, Michigan, USA. Environmental Research, 189, 109845. https://doi.org/10.1016/j.envres.2020.109845

[9] Hongbin Xu, Nongnuj Tanphaichitr, Poh-Gek Forkert, Araya Anupriwan, Wattana Weerachatyanukul, Renaud Vincent, Arthur Leader, Michael G. Wade, Exposure to Trichloroethylene and its Metabolites Causes Impairment of Sperm Fertilizing Ability in Mice, Toxicological Sciences, Volume 82, Issue 2, December 2004, Pages 590–597, https://doi.org/10.1093/toxsci/kfh277

[10] What you need to know about TCE. (2025, March 11). Environmental Working Group. https://www.ewg.org/news-insights/news/2025/03/what-you-need-know-about-tce

[11] Wesselink AK, Hatch EE, Wise LA, Rothman KJ, Vieira VM, Aschengrau A. Exposure to tetrachloroethylene-contaminated drinking water and time to pregnancy. Environ Res. 2018 Nov;167:136-143. doi: 10.1016/j.envres.2018.07.012. Epub 2018 Jul 7. PMID: 30014895; PMCID: PMC6399737.

[12] Campbell, M., Kim, A. N., & Office of Environmental Health Hazard Assessment. (2012). EVIDENCE ON THE DEVELOPMENTAL AND REPRODUCTIVE TOXICITY OF Xylene. In Reproductive and Cancer Hazard Assessment Branch, Reproductive and Cancer Hazard Assessment Branch. https://oehha.ca.gov/sites/default/files/media/downloads/proposition-65/chemicals/092812xylenehid.pdf

[13] Suaidi NA, Alshawsh MA, Hoe SZ, Mokhtar MH, Zin SRM. Toxicological Effects of Technical Xylene Mixtures on the Female Reproductive System: A Systematic Review. Toxics. 2022 May 4;10(5):235. doi: 10.3390/toxics10050235. PMID: 35622648; PMCID: PMC9144477.

[14] Xylenes | Medical Management Guidelines | Toxic Substance Portal | ATSDR. (n.d.). https://wwwn.cdc.gov/TSP/MMG/MMGDetails.aspx?mmgid=291&toxid=53

[15] New study: Common air fresheners contain chemicals that may affect human reproductive development. (2024, October 17). https://www.nrdc.org/press-releases/new-study-common-air-fresheners-contain-chemicals-may-affect-human-reproductive

[16] Wolverton, B. C., Johnson, A., & Bounds, K. (1989, September 15). Interior landscape plants for indoor air pollution abatement. NASA Technical Reports Server (NTRS). https://ntrs.nasa.gov/citations/19930073077

[17] Claudio, L. (2011). Planting healthier indoor air. Environmental Health Perspectives, 119(10), a426-a427. https://doi.org/10.1289/ehp.119-a426

[18] An, M., Colarelli, S. M., O’Brien, K., & Boyajian, M. E. (2016). Why we need more nature at work: Effects of natural elements and sunlight on employee mental health and work attitudes. PLoS ONE, 11(5), e0155614. https://doi.org/10.1371/journal.pone.0155614