The Effects of Environmental Contaminant Exposure on Reproductive Aging and the Menopause Transition Original paper

Researched by:

  • Divine Aleru ID
    Divine Aleru

    User avatarI am a biochemist with a deep curiosity for the human microbiome and how it shapes human health, and I enjoy making microbiome science more accessible through research and writing. With 2 years experience in microbiome research, I have curated microbiome studies, analyzed microbial signatures, and now focus on interventions as a Microbiome Signatures and Interventions Research Coordinator.

    Read More

July 19, 2025

  • Women’s Health
    Women’s Health

    Women’s health, a vital aspect of medical science, encompasses various conditions unique to women’s physiological makeup. Historically, women were often excluded from clinical research, leading to a gap in understanding the intricacies of women’s health needs. However, recent advancements have highlighted the significant role that the microbiome plays in these conditions, offering new insights and potential therapies. MicrobiomeSignatures.com is at the forefront of exploring the microbiome signature of each of these conditions to unravel the etiology of these diseases and develop targeted microbiome therapies.

  • Menopause
    Menopause

    Menopause impacts many aspects of health, including the gut microbiome, weight management, and hormone balance. Diet, probiotics, intermittent fasting, and HRT offer effective management strategies.

Researched by:

  • Divine Aleru ID
    Divine Aleru

    User avatarI am a biochemist with a deep curiosity for the human microbiome and how it shapes human health, and I enjoy making microbiome science more accessible through research and writing. With 2 years experience in microbiome research, I have curated microbiome studies, analyzed microbial signatures, and now focus on interventions as a Microbiome Signatures and Interventions Research Coordinator.

    Read More

Last Updated: 2025-07-19

Microbiome Signatures identifies and validates condition-specific microbiome shifts and interventions to accelerate clinical translation. Our multidisciplinary team supports clinicians, researchers, and innovators in turning microbiome science into actionable medicine.

Divine Aleru

I am a biochemist with a deep curiosity for the human microbiome and how it shapes human health, and I enjoy making microbiome science more accessible through research and writing. With 2 years experience in microbiome research, I have curated microbiome studies, analyzed microbial signatures, and now focus on interventions as a Microbiome Signatures and Interventions Research Coordinator.

What was studied?

This study examines how exposure to environmental endocrine-disrupting chemicals (EDCs) accelerates reproductive aging and contributes to the earlier onset of menopause. The research specifically focuses on common EDCs, such as phthalates, bisphenol A (BPA), polychlorinated biphenyls (PCBs), and perfluoroalkyl substances (PFAS), and their impact on ovarian health, hormonal changes, and the timing of menopause. The study also investigates the physiological mechanisms by which these chemicals disrupt reproductive aging.

Who was studied?

The review considers data from human epidemiological studies and animal models, primarily rodents. It includes information on women exposed to environmental contaminants, looking at populations exposed to high levels of pollutants due to lifestyle factors, occupation, or environmental proximity to contaminated areas. In addition to human data, rodent studies are referenced to understand the biological mechanisms through which these chemicals impact reproductive processes.

Most important findings

The study reveals that exposure to endocrine-disrupting chemicals, especially PFAS, phthalates, and BPA, is linked to earlier onset of menopause and accelerated reproductive aging. Higher levels of PFAS, such as PFOA and PFOS, are associated with a shorter time to natural menopause in some populations. Additionally, exposure to phthalates, particularly DEHP metabolites, disrupts hormonal balance, leading to earlier menopause and worsened vasomotor symptoms like hot flashes. BPA exposure is found to diminish ovarian reserve and contribute to early menopause, likely through oxidative stress and hormonal disruptions. These associations are supported by both human studies and rodent experiments, confirming that environmental contaminants can negatively affect female fertility and hormonal regulation.

Key implications

The findings highlight a significant public health concern, as early menopause not only reduces a woman’s reproductive window but also increases the risk of cardiovascular disease, osteoporosis, and other health complications. Understanding how environmental contaminants accelerate menopause suggests that interventions aimed at reducing exposure to harmful chemicals could be crucial in protecting women’s reproductive health. The study emphasizes the need for further research to uncover the exact biological mechanisms involved and to establish guidelines for reducing exposure to endocrine-disrupting chemicals in daily life.

Join the Roundtable

Contribute to published consensus reports, connect with top clinicians and researchers, and receive exclusive invitations to roundtable conferences.