Abstract Title:

Dietary folate intake and modification of the association of urinary bisphenol A concentrations with in vitro fertilization outcomes among women from a fertility clinic.

Abstract Source:

Reprod Toxicol. 2016 Jul 14 ;65:104-112. Epub 2016 Jul 14. PMID: 27423903

Abstract Author(s):

Lidia Mínguez-Alarcón, Audrey J Gaskins, Yu-Han Chiu, Irene Souter, Paige L Williams, Antonia M Calafat, Russ Hauser, Jorge E Chavarro,

Article Affiliation:

Lidia Mínguez-Alarcón


Experimental data in rodents suggest that the effects of bisphenol A (BPA) on oocyte development may be modified by dietary methyl donors. Whether the same interaction exists in humans is unknown. We evaluated whether intake of methyl donors modified the associations between urinary BPA concentrations and treatment outcomes among 178 women who underwent 248 IVF cycles at a fertility center in Boston between 2007 and 2012. Participants completed a validated food frequency questionnaire and provided up to two urine samples per treatment cycle. High urinary BPA concentrations were associated with a 66% lower probability of implantation (p=0.007) among women who consumed <400μg/day of food folate, but not among women consuming ≥400μg/day (21% higher probability of implantation, p=0.18) (p,interaction=0.04). A similar pattern was observed for probability of clinical pregnancy (p,interaction=0.07) and live birth (p,interaction=0.16). These results are consistent withprevious animal data but further evaluation in other human populations is needed.

Study Type : Human Study

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