Cited by 157Effects and risks of endocrine disrupting chemicalsEndometriosis Research and TreatmentHealth, Environment, Cognitive Aging

Phthalates and risk of endometriosis

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Upson, Kristen, Sathyanarayana, Sheela, De Roos, Anneclaire J., Thompson, Mary Lou, Scholes, Delia, Dills, Russell, Holt, Victoria L.·2013·Environmental Research

Abstract

Background Phthalates are ubiquitous environmental chemicals with endocrine disruptive properties. The impact of these chemicals on endocrine-related disease in reproductive-age women is not well understood. Objective To investigate the relationship between urinary phthalate metabolite concentrations and the risk of a hormonally-driven disease, endometriosis, in reproductive-age women. Methods We used data from a population-based case-control study of endometriosis, conducted among female enrollees of a large healthcare system in the U.S. Pacific Northwest. We measured urinary phthalate metabolite concentrations on incident, surgically-confirmed cases (n=92) diagnosed between 1996 and 2001 and population-based controls (n=195). Odds ratios (OR), and 95% confidence intervals (CI) were estimated using unconditional logistic regression, adjusting for urinary creatinine concentrations, age, and reference year. Results The majority of women in our study had detectable concentrations of phthalate metabolites. We observed a strong inverse association between urinary mono-(2-ethyl-5-hexyl) phthalate (MEHP) concentration and endometriosis risk, particularly when comparing the fourth and first MEHP quartiles (aOR 0.3, 95% CI: 0.1-0.7). Our data suggested an inverse association between endometriosis and urinary concentrations of other di-2-ethylhexyl phthalate (DEHP) metabolites (mono-(2-ethyl-5-hydroxyhexyl) phthalate (MEHHP), mono-(2-ethyl-5-oxohexyl) phthalate (MEOHP)) and ∑DEHP, however, the confidence intervals include the null. Our data also suggested increased endometriosis risk with greater urinary concentrations of mono-benzyl phthalate (MBzP) and mono-ethyl phthalate (MEP), although the associations were not statistically significant. Conclusions Exposure to select phthalates is ubiquitous among female enrollees of a large healthcare system in the U.S. Pacific Northwest. The findings from our study suggest that phthalates may alter the risk of a hormonally-mediated disease among reproductive-age women.

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Crossref · 10.1016/j.envres.2013.07.003

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  • A significant association between urinary concentrations of MBzP, MEHP, and MEP and increased risk of endometriosis was found in women.

    “A significant association between urinary concentrations of MBzP, MEHP, and MEP and increased risk of endometriosis was found in women [206].”

    From A Review of Biomonitoring of Phthalate Exposures (2019) · cites this paper as [206]

    The Results report a statistically significant inverse association between urinary MEHP and endometriosis risk, not an increased risk. They suggest increased risk with MBzP and MEP, but explicitly state that those associations were not statistically significant. The supplied passages do not give page numbers. (LLM, conf=0.90)

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  1. Zacharewski TR 1998 Examination of the in vitro and in vivo estrogenic activities of eight commercial phthalate esters Toxicol Sci 46 282 93 10048131

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Authors
Upson, K., Sathyanarayana, S., De Roos, A. J., Thompson, M. L., Scholes, D., Dills, R., & Holt, V. L.
Affiliations
  • University of Washington (US)
  • Kaiser Permanente Washington Health Research Institute (US)
Corresponding author
Upson, Kristen
Venue
Environmental Research
Publisher
Elsevier BV
Published
2013-10
Volume
126
Pages
91-97
ISSN
0013-9351 (ISSN-L)
OpenAlex
W1987642282
Cited by
157
References
55
Citations by year
2026: 2 · 2025: 8 · 2024: 14 · 2023: 13 · 2022: 20 · 2021: 17 · 2020: 22 · 2019: 13 · 2018: 11 · 2017: 5 · 2016: 19 · 2015: 7 · 2014: 6
FWCI
7.84
Type
journal article
Language
en
Open access
Locations
  • Environmental Research (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health (5f31nr013092-02)
  • National Institute of Nursing Research (F31NR013092, 1F31NR013092-01)
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (R01HD033792, T32HD052462)
Topics
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Effects and risks of endocrine disrupting chemicals
  • Health Sciences › Medicine › Reproductive Medicine › Endometriosis Research and Treatment
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Health, Environment, Cognitive Aging
Keywords
phthalates, endometriosis, urinary phthalate metabolites, di(2-ethylhexyl) phthalate metabolites, monobenzyl phthalate, monoethyl phthalate, endocrine disruptors, women of reproductive age, environmental chemical exposure
MeSH terms
Adolescent, Adult, Endometriosis, Environmental Exposure, Female, Humans, Middle Aged, Phthalic Acids, Northwestern United States, Case-Control Studies, Endocrine Disruptors, Young Adult

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