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Preconception
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This chapter reviews existing research on how nutrition and lifestyle factors affect a person's chances of conceiving a baby. It covers topics like diet, body weight, certain health conditions, and lifestyle habits including smoking, drug use, physical activity, stress, and exposure to microplastics.
The nutrition status of both the female and the male is important when trying to conceive a baby. This chapter explores how nutrition, including undernutrition and nutrient intake, influences the chances of conception. It addresses the nutrition-related factors that may improve or impair chances of conception including weight status, chronic diseases, and select foods and drinks such as alcohol, sugar sweetened beverages, seafood, and processed meats. A discussion of health conditions that may impair fertility follows, with consideration of polycystic ovary syndrome, coeliac disease, endometriosis, primary ovary insufficiency, and uterine fibroids. This chapter concludes with a discussion of other lifestyle considerations including cigarette smoking and vaping, drug use, microplastics, physical activity, and stress.
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This meta-analysis pools data from multiple studies to assess how microplastic exposure affects female reproductive health and pregnancy outcomes. The findings suggest that microplastic accumulation may be linked to adverse effects on fertility and pregnancy, highlighting an important and underexplored area of concern for women's health.
Editorial: Lifestyle and environmental factors and human fertility
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This editorial introduces research on how lifestyle and environmental factors — including microplastics — affect human fertility. Global infertility rates are rising, with evidence of declining sperm counts in men and increasing reproductive disorders in women, particularly in low- and middle-income regions.
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This review examines growing evidence that microplastics accumulate in the human placenta and may affect pregnancy outcomes and child development. Given that exposure during pregnancy can program lifelong health in offspring, the presence of these tiny plastic particles in reproductive tissues raises important concerns about fertility, pregnancy complications, and children's health.
Impact of Environmental Microplastics on Pregnancy and Neonatal Outcomes: A Scoping Review
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Tiny plastic particles called microplastics have been found in placentas, amniotic fluid, and other tissues involved in pregnancy, and this review of 53 studies found early evidence linking them to changes in fetal growth, birth weight, and gene activity in animal and lab studies. While these findings are concerning, most of the research so far is in animals or cells rather than humans, so scientists still need to confirm whether microplastic exposure actually causes problems for pregnant people and their babies.
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.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.