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Microplastics and female infertility: reproductive toxicity and underlying mechanisms
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This review paper summarizes existing research on how tiny plastic particles called microplastics, which we absorb from food, air, and skin contact, can build up in the body and disrupt the reproductive system. Scientists have linked this buildup to conditions like PCOS, endometriosis, and early menopause, likely because the particles trigger inflammation, hormone imbalances, and cell damage in the ovaries. While more research is needed to fully understand these connections, this matters because it suggests everyday plastic exposure could be a hidden contributor to the rising rates of infertility, especially in younger women.
In modern society, the progression of ovarian aging in women has accelerated, and the incidence of infertility has increased markedly with a distinct younger-onset trend. Exploring the etiology and pathogenesis of infertility has become a core research focus for clinicians. Plastic products bring tremendous convenience to modern life, while the health risks caused by plastic pollution have aroused global concern. As typical endocrine-disrupting chemicals, microplastics (MPs) can enter the human body through dietary intake, respiration, and skin contact, and accumulate in multiple organs. Accumulated MPs impair the physiological function of the female reproductive system and are closely associated with multiple gynecological disorders, including polycystic ovary syndrome, endometriosis, and premature ovarian insufficiency. After internalization, MPs trigger a series of pathological events such as epigenetic alterations, hormonal metabolism disturbance, inflammatory response, immune dysregulation, oxidative stress, and cellular damage, ultimately resulting in female reproductive impairment. The exposure routes and pathogenic mechanisms underlying MPs-induced reproductive toxicity have emerged as critical scientific issues that urgently require addressing. From an innovative perspective, this review elaborates on the mechanisms underlying the occurrence and progression of female infertility-related diseases mediated by MPs. It aims to provide novel insights for the clinical diagnosis and treatment of female infertility, offer theoretical references for pre-pregnancy counseling and reproductive health management, and supply scientific evidence for the precise prevention and control of MP pollution.
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Microplastics and Nanoplastics: Impacts on Female Reproductive Health, Ovarian Function, and Genitourinary Disorders
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Researchers review evidence that microplastics and nanoplastics accumulate in ovarian tissue, follicular fluid, and placental material, linking exposure to ovarian toxicity, hormonal disruption, reduced fertility, and elevated endometriosis risk through oxidative stress and inflammation-mediated pathways.
Microplastics and Nanoplastics: Impacts on Female Reproductive Health, Ovarian Function, and Genitourinary Disorders
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Researchers reviewed evidence showing microplastics and nanoplastics accumulate in ovarian tissue, follicular fluid, and the female genitourinary tract, where they trigger oxidative stress, endocrine disruption, and inflammation linked to reduced fertility, hormonal imbalance, and elevated risk of endometriosis.
The Reproductive Toxicity of Microplastics: From Environmental Contamination to Organ Distribution and Reproductive Hazards.
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This review pulls together existing research showing that tiny plastic particles from our environment—found in water, food, and air—are turning up in reproductive organs like ovaries, testicles, and semen. Scientists believe these particles may disrupt hormone signaling, trigger inflammation, and even damage reproductive cells, potentially affecting fertility in both men and women. While the science is still developing and more long-term studies are needed, this is an early warning sign that everyday plastic exposure could have hidden costs for reproductive health.
A review of the impact of micro‐ and nanoplastics on female reproduction: What we know and gaps in knowledge
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This review examines what is known about how micro- and nanoplastics affect female reproductive health. Animal studies show these particles accumulate in ovarian tissue, disrupt hormones, and cause oxidative stress, leading to hormonal imbalances and ovarian damage, though research in humans is still limited.
Microplastics and reproductive health: implications for human health and areas for future research
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Tiny plastic bits called microplastics have been found in human testes, semen, ovarian fluid, and placentas, and this review of existing research suggests they may harm fertility by triggering inflammation, cell damage, and hormone disruption. While scientists are still figuring out exactly how much exposure is harmful and which types of plastic pose the biggest risk, the growing evidence is a reason to pay attention to reducing everyday plastic exposure. More research is needed before we know the full picture, but this is an area worth watching closely.
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