ArticleJournal of exposure science & environmental epidemiology2026
Diet and mycoestrogen exposure in a pregnancy cohort: the Jersey Babies pilot study.
Article in Journal of exposure science & environmental epidemiology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Maternal mycoestrogen exposure in relation to timing of birth and placental corticotropin releasing hormone concentrations in a U.S. pregnancy cohort.Reproductive toxicology (Elmsford, N.Y.) · 2026Article
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Authors and funding
14 authors.
Funding
Abstract
backgroundZearalenone (ZEN) is a grain-contaminating mycotoxin and potent estrogen receptor agonist linked to reproductive and perinatal disruption in animal models, with emerging epidemiologic evidence in humans. Despite widespread U.S. exposure, dietary sources remain unclear.
objectiveThis pilot study assessed prenatal mycoestrogen exposure and related dietary sources in a U.S. pregnant cohort.
methodsPregnant women (n = 33) recruited in New Brunswick, NJ provided urine samples and completed time-matched 24-h dietary recalls at three points across pregnancy (Visit 1: 18-20 weeks; Visit 2: 24-26 weeks and Visit 3: 28-32 weeks gestation). Urinary mycoestrogens were quantified using LC/MSMS and corrected for specific gravity.
resultsAt least one ZEN metabolite was detected in every sample (Visit, median: 1: 0.058 ng/mg; 2: 0.042 ng/mg; 3: 0.055 ng/mg), and intraclass correlation coefficients among detected metabolites ranged from 0.62 to 0.95. Across visits, Hispanic participants (39%) had 52-109% higher mycoestrogen concentrations compared to non-Hispanic participants (p < 0.05). Consumption of corn and other grain products within the past 24 h was strongly correlated with urinary concentrations of ZEN and its metabolites (r: 0.30-0.92; p < 0.05), with weaker positive correlations observed for oils and popcorn. SIGNIFICANCE: Given robust toxicologic evidence and emerging epidemiologic findings suggesting adverse maternal and child health impacts, identifying key exposure pathways is critical. IMPACT: This pilot study identifies corn and cereal-based foods as key contributors to ZEN prenatal exposure and highlights higher concentrations among Hispanic participants. By clarifying exposure pathways, these findings support improved food-safety monitoring and targeted strategies to reduce endocrine-disrupting chemical exposures during pregnancy.
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