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Impact of Bisphenol A and its alternatives on oocyte health: a scoping review
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This scoping review examines evidence that low-level exposure to bisphenol A (BPA) and its chemical alternatives impairs oocyte quality and reduces fertility, highlighting serious reproductive toxicity concerns with these endocrine-disrupting chemicals. The authors call for updated international policy guidelines and stronger study design standards to better protect reproductive health.
These data highlight the detrimental impacts of low-level BPA and BPA alternative exposure, contributing to poor oocyte quality and reduced fertility. These outcomes are valuable in promoting the revision of current policies and guidelines pertaining to BPA exposure internationally. This study serves as a valuable resource to scientists, providing key recommendations on study design, reporting elements, and endpoint measures to strengthen future studies. Ultimately, this review highlights oocyte health as a fundamentally important endpoint in reproductive toxicological studies, indicating an important direction for future research into endocrine disrupting chemicals to improve fertility outcomes.
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Impact of microplastics on female reproductive health: insights from animal and human experimental studies: a systematic review
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This systematic review of 15 experimental studies found that microplastic exposure significantly impairs ovarian function, decreases fertility rates, and disrupts hormone levels in female subjects. Several studies also reported negative effects on embryo development and offspring health, though study quality varied and more rigorous research is needed to confirm mechanisms.
Exploring BPA alternatives – Environmental levels and toxicity review
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BPA alternatives entering the environment with limited toxicological data; systematic monitoring and mixture-effect studies urgently needed.
Plastic Particles and Female Fertility: Pathways, Toxicity, and Analytical Challenges
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This review examines the pathways, toxicity mechanisms, and analytical challenges associated with microplastic and nanoplastic impacts on female fertility. Evidence from animal studies indicates that these particles can accumulate in ovaries and placental tissue, inducing oxidative stress, inflammation, and granulosa cell death that diminishes ovarian reserve. The study notes that microplastics have been confirmed in human placentas and umbilical cord blood, and may disrupt the hormonal axis governing reproduction.
Implication of nano and microplastics in reproduction: understanding oocyte vulnerability
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This review examined how nano- and microplastics (NMPs) compromise oocyte quality and female reproductive function, finding that NMPs trigger oxidative stress, disrupt meiotic spindle assembly, impair mitochondrial function, and cause DNA damage in eggs. The findings identified the oocyte as particularly vulnerable to NMP exposure, with implications for fertility and reproductive health.
The Impact of Microplastics and Nanoplastics on Health and Reproductive Outcomes
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This scoping review compiled existing literature on micro- and nanoplastic exposure in relation to women's health and reproductive outcomes. The study identified inverse associations between microplastic exposure and adverse neonatal outcomes such as low birth weight, and highlighted physiological routes of absorption and vulnerable organs, while noting significant gaps in current knowledge that need to be addressed.
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