Article Publish Status: FREE
Abstract Title:

A case-control study of bisphenol A and endometrioma among subgroup of Iranian women.

Abstract Source:

J Res Med Sci. 2017 ;22:7. Epub 2017 Jan 27. PMID: 28400829

Abstract Author(s):

Batool Hossein Rashidi, Massoud Amanlou, Tahere Behrouzi Lak, Mahya Ghazizadeh, Bita Eslami

Article Affiliation:

Batool Hossein Rashidi


BACKGROUND: Endometriosis is a multifactorial hormonally related complex disease with unknown etiology. Epidemiologic data were suggested the possible effects of endocrine disrupting chemicals such as bisphenol A (BPA) on endometriosis. BPA is similar to endogenous estrogen and has the ability to interact with estrogen receptors and stimulate estrogen production. Our aim was to evaluate the relationship between urinary BPA concentrations in women with endometrioma.

MATERIALS AND METHODS: This case-control study consisted of fifty women who have been referred to gynecology and infertility center with endometrioma and were candidates for operative laparoscopy and ovarian cystectomy as cases. Fifty women who had not any evidence of endometrioma in clinical and ultrasound evaluation and came to the same clinic for routine check-up were selected as controls. One-time urine sample was collected after receiving informed consent before surgery and medical intervention. Total BPA in urine was measured with high-performance liquid chromatography method and detection limit was 0.33 ng/mL.

RESULTS: Percentage of urine samples containing BPA was 86% of cases and 82.4% of control. Urinary BPA showed a right-skewed distribution. The mean concentration of BPA was 5.53± 3.47 ng/mL and 1.43 ± 1.57 ng/mL in endometriosis and control group, respectively (P<0.0001, Mann-Whitney U-test). The logistic regression showed that the odds ratio of the BPA was 1.74 (95% confidence interval: 1.40-2.16) after adjustment of age, parity, body mass index<30, and educational status.

CONCLUSION: This study showed a positive association between urinary BPA concentrations and endometrioma. However, further large-scale studies are needed to confirm this hypothesis.

Study Type : Human Study

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