Association of Phthalate Exposure with Endometriosis and Idiopathic Infertility in Egyptian Women

Nevein A. EL-Desouky, Mona A. El-Yamany, Amani Fahmy Hanon, Amany Fahmy Hanon, Adel Atef, Marwa Issak, Sarah Hamed N. Taha, Riham F. Hussein
In: Open Access Macedonian Journal of Medical Sciences · 2022 · vol. 10(B) , pp. 1459–1467 · doi:10.3889/oamjms.2022.9722 · W4284894510
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⚙ AI-generated summary by claude@2026-06, 2026-06-08 ⓘ

This study quantified urinary MEHP levels in Egyptian women and found significantly higher levels in those with endometriosis and idiopathic infertility, correlating with plastic container use, cosmetics, estrogen levels, and abortion history.

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Abstract

BACKGROUND: Phthalates are compounds found in medical supplies, cellophane wraps, beverage containers, metal can linings, and other products. They have the potential to be significant endocrine disruptors. In experimental animals, thereby affecting their reproductive capacity. Endometriosis is a gynecological condition defined by ectopic endometrial glands and stromal development. Exposure to phthalates has been linked to the development of endometriosis in numerous studies. The dangers of phthalates to women’s reproductive health and fertility have been widely reported. AIM: So far, the relationship between phthalates and infertility is not proven so we decided to see if there was a link between the urine phthalate metabolite levels and endometriosis or idiopathic infertility in Egyptian women. METHODS: Our research was carried out at the infertility outpatient clinic of the Faculty of Medicine of Cairo University. It included 100 female subjects aged 18−40-years-old. Group A (idiopathic infertility; n = 40), Group B (endometriosis; n = 40), and Group C (control; n = 20) were the three age-matched groups that were studied. Using high-performance liquid chromatography (HPLC), the urine levels of mono-2-ethylhexyl phthalate (MEHP) were quantified. RESULTS: The comparison between the study groups has revealed statistically significant differences regarding the urine MEHP levels between Groups A and B. An analysis of the urine MEHP levels in the study Groups A and B has also revealed that the significantly higher urinary MEHP levels are correlated with the use of dietary plastic containers, the use of cosmetics, and the patients’ estrogen levels. Moreover, the urinary MEHP levels of Group A were associated with a history of abortions. CONCLUSIONS: Higher levels of urinary MEHP are positively associated with female reproductive disorders, specifically endometriosis, idiopathic infertility, and abortion.

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endometriosisinfertility

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