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Abstract Title:

Urinary bisphenol A concentration is correlated with poorer oocyte retrieval and embryo implantation outcomes in patients with tubal factor infertility undergoing in vitro fertilisation.

Abstract Source:

Ecotoxicol Environ Saf. 2019 Oct 21 ;187:109816. Epub 2019 Oct 21. PMID: 31648075

Abstract Author(s):

Juan Shen, Quanmin Kang, Yuchan Mao, Mu Yuan, Fang Le, Xinyun Yang, Xiangrong Xu, Fan Jin

Article Affiliation:

Juan Shen

Abstract:

Bisphenol A (BPA) is a substance ubiquitously present in the environment, and its toxicity on reproductive function has been well characterised in animal models. However, it is still controversy about the effects of BPA exposure on human female reproduction. Therefore, in the present study, the associations of urinary BPA concentration with the outcomes of in vitro fertilisation (IVF) and embryo transfer from fresh and frozen cycles were analysed in the same cohort. 351 women who underwent IVF treatment from September 2013 to October 2016, at the Centre of Reproductive Medicine in the Women's Hospital School of Medicine at Zhejiang University were recruited. Single-spot urine samples were collected on the day of oocyte retrieval to detect BPA using solid-phase extraction and liquid chromatography coupled with tandem mass spectrometry. A multivariable generalised linear mixed model was used to evaluate the association between the urinary BPA concentration and IVF outcomes. After adjustment for age, body mass index, baseline follicle-stimulating hormone level, baseline oestradiol level, and antral follicle count, a significant decrease in the number of retrieved oocytes and in the rates of clinical pregnancy and implantation was observed in the patients with a high urinary BPA concentration. We concluded that BPA exposure exert negative effects on oocyte retrieval and embryo implantation in women undergoing IVF.

Study Type : Human Study

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