• 1. School of Public Health, Anhui Medical University, Hefei 230032, P. R. China;
  • 2. MOE Key Laboratory of Population Health Across Life Cycle, NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract, Anhui Provincial Key Laboratory of Population Health and Aristogenics, Hefei 230032, P. R. China;
HAO Jiahu, Email: jia7218@126.com
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Objective  To systematically review the association between exposure to bisphenol A during pregnancy and spontaneous abortion. Methods  The PubMed, Web of Science, EMbase, CNKI, WanFang Data and VIP databases were electronically searched to identify cohort studies and case-control studies related to bisphenol A exposure and spontaneous abortion from inception to April 1st, 2022. Two reviewers independently screened the literature, extracted data, and assessed the risk of bias of the included studies. Meta-analysis was then performed using Stata 16.0 software. Results  A total of 7 case-control studies and 1 cohort study were included, with a total of 1 179 subjects. The results of meta-analysis showed that there was a statistically significant difference in bisphenol A concentrations between the spontaneous abortion group and the control group regardless of whether the sample source was serum or urine (SMD serum=1.05, 95%CI 0.34 to 1.77, P=0.004; SMD urine=0.20, 95%CI 0.02 to 0.38, P=0.027). Conclusion  The current evidence shows that exposure to bisphenol A during pregnancy may lead to unexplained recurrent spontaneous abortion. Due to the limited quantity and quality of the included studies, more high-quality studies are needed to verify the above conclusion.

Citation: ZOU Xuanmin, CHEN Chen, GUAN Tianyue, HAO Jiahu. Association between bisphenol A levels during pregnancy and spontaneous abortion: a meta-analysis. Chinese Journal of Evidence-Based Medicine, 2022, 22(10): 1149-1154. doi: 10.7507/1672-2531.202205002 Copy

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