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EDC Strategies, YESS

Prenatal Exposure to OP Pesticides: Health outcomes & potential mechanisms

 

May 19, 2026
3:00 pm US Eastern Time

Happy Pregnant Woman And Her Daughter At Home
Prostock-studio via Shutterstock

Organophosphates (OPs) are a common class of neurotoxic pesticides. Exposure at even low doses can disrupt healthy development, particularly during susceptible windows such as pregnancy. In this EDC Strategies Partnership/Young EDC Scientists Showcase (YESS) webinar, Haleigh Cavalier, MPH, PhD and Eleanor Medley, MPH will discuss potential health outcomes and biological pathways associated with OP exposure during this vulnerable window using data from the New York University Children’s Health and Environment Study (NYU CHES), a NYC-based birth cohort.

Dr. Cavalier uses targeted metabolomics data to explore molecular mechanisms through which OPs may affect health during pregnancy. Her work found evidence of disruption through multiple important mechanisms including oxidative stress and mitochondrial dysfunction. Eleanor Medley investigated associations of prenatal OP exposure with fetal growth in NYU CHES and found that reported prenatal OP exposure was associated with lower estimated fetal size in females in the second trimester and in males in the third trimester. 

This webinar will be moderated by Sarah Howard, Program Manager at HEEDS.  

This webinar is hosted by the EDC Strategies Partnership, which is co-chaired by Sharyle Patton (Commonweal Biomonitoring Resource Center), Jerry Heindel and Sarah Howard (Environmental Health Sciences' Healthy Environment and Endocrine Disruptor Strategies, HEEDS), Génon Jensen (Health and Environment Alliance, HEAL), and Rachel Massey (Collaborative for Health and Environment, CHE). To see a full list of past calls and webinars related to EDCs and listen to or view recordings, please visit our partnership page.

This webinar is also part of the Young EDC Scientists Showcase (YESS) webinar series, sponsored by the Healthy Environment and Endocrine Disruptor Strategies (HEEDS) Mentoring Working Group and coordinated by the Collaborative for Health and Environment (CHE). This series features speakers in the early stages of their careers, such as PhD students, post-docs, and other early-career researchers who study endocrine disrupting chemicals (EDCs).