BACKGROUND: Quinolinic acid (QA), a neuroactive metabolite produced during tryptophan degradation, is implicated in the pathogenesis of several neurological disorders. Phthalates are structurally similar to QA, and exposure to phthalates ha…
BACKGROUND: Randomized trials of supplementation with antioxidant mixtures during infertility treatment show no benefit on pregnancy or live birth rate. However, the roles of individual antioxidants are poorly understood. We examined the as…
STUDY QUESTION: What is the association of female and male partner marijuana smoking with infertility treatment outcomes with ART? SUMMARY ANSWER: Women who were marijuana smokers at enrollment had a significantly higher adjusted probabili…
RESEARCH QUESTION: Studies in rodents have shown that paternal folate intake prior to conception is associated with pregnancy and offspring outcomes. The aim of this study was to assess whether those associations might apply to humans as we…
BACKGROUND: Some dietary factors have been linked to outcomes of infertility treatment with assisted reproductive technology (ART), but the role of intake of meats and other protein-rich foods remains unclear. OBJECTIVE: The aim of this ma…
BACKGROUND: The Environment and Reproductive Health (EARTH) Study is an ongoing prospective preconception cohort designed to investigate the impact of environmental, nutritional, and lifestyle factors among both women and men on fertility a…