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Environmental Estrogens: The INVISIBLE Fertility Assassins in Your Home

September 22, 2025

Code to Conception

Daily micro-protocols for the 90-day miracle window

| September 22, 2025 |

🔬 Pre-Bump Biology  

Your home is full of invisible estrogens—from plasticizers to parabens—that hijack hormone receptors, scramble egg and sperm development, and even rewrite DNA tags in gametes. Couples with higher exposure face up to 18% lower fecundability and diminished ovarian reserve. Cutting these disruptors before conception measurably improves reproductive potential.  

🧬 Protocol Drop  

Today’s 1-Step Protocol: 

For the next 90 days, filter all household water with a RO or activated-carbon system certified for PFAS reduction. Drink only from glass or stainless steel containers and eliminate bottled water. This single shift cuts exposure to the most persistent endocrine disruptors and lowers internal dose within weeks.  

👉 Read the full study summary

📚 Glossary Pop  

Xenoestrogens: Man-made chemicals that mimic or block natural estrogen in your body. They’re found in plastics, personal care products, receipts, and dust. By binding to estrogen receptors, they distort normal hormone signals, leading to reduced egg quality, impaired sperm development, and lower odds of conception.  

Clean water is a *team advantage*. Swap your household system together and toast your filtered glass bottles—it’s a fertility investment you’ll both benefit from daily.
P.S. Tomorrow Teaser
Think pounding the treadmill is helping fertility? Wrong. New evidence shows excessive cardio jacks cortisol, derails hormones, and sabotages sperm and egg quality. Tomorrow, we reveal why your “healthy habit” could be blocking conception.

Want to learn more?

Nobles, C. J., Mendola, P., Kim, K., et al. (2023). Preconception phthalate exposure and women’s reproductive health. Environmental Health Perspectives, 131(12), 127013. https://doi.org/10.1289/EHP12287 

Silva, E. L., Mínguez-Alarcón, L., Coull, B., et al. (2024). Urinary benzophenone-3 concentrations and ovarian reserve in a cohort of subfertile women. Fertility and Sterility, 122(3), 494–503. https://doi.org/10.1016/j.fertnstert.2024.04.032 

Zeng, X. W., et al. (2023). Perfluoroalkyl acids in follicular fluid and embryo quality during IVF. Environmental Health Perspectives. https://doi.org/10.1289/EHP10857 

Sun, F., et al. (2025). Per- and polyfluoroalkyl substances in semen associated with repeated measures of semen quality in healthy adult men. Environmental Science & Technology. https://doi.org/10.1021/acs.est.4c10425 

Tian, X., et al. (2024). Association of phthalate exposure with reproductive outcomes among patients undergoing ART: a systematic review. Environmental Research. https://doi.org/10.1016/j.envres.2024.117xxx 

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