Evidence map›Paper›PMID 33360166›Full record

ArticleEnvironment international2021

Incidence of uterine leiomyoma in relation to urinary concentrations of phthalate and phthalate alternative biomarkers: A prospective ultrasound study.

Victoria Fruh, Birgit Claus Henn, Jennifer Weuve, Amelia K Wesselink, Olivia R Orta, Timothy Heeren, Russ Hauser, Antonia M Calafat, Paige L Williams, Donna D Baird and 1 more

Open access · goldAbstract read
In one paragraph

Article in Environment international, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed, 1 pooled it
2.1field-weighted citation impact, top 9% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

19 citing papers in PubMed, 1 synthesis or guideline pooled it, 39 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Estrogenic activity in tampon products.Journal of the Endocrine Society · 2026
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  18. Midlife Urinary Phthalate Metabolite Concentrations and Prior Uterine Fibroid Diagnosis.International journal of environmental research and public health · 2022
    Article
  19. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

11 authors at 4 institutions in 1 country.

Victoria FruhDepartment of Environmental Health, 715 Albany Street, Boston University School of Public Health, Boston, MA, United States. Electronic address: vfru1212@bu.edu.
Birgit Claus HennDepartment of Environmental Health, 715 Albany Street, Boston University School of Public Health, Boston, MA, United States.
Jennifer WeuveDepartment of Epidemiology, 715 Albany Street, Boston University School of Public Health, Boston, MA, United States.
Amelia K WesselinkDepartment of Epidemiology, 715 Albany Street, Boston University School of Public Health, Boston, MA, United States.
Olivia R OrtaDepartment of Epidemiology, 715 Albany Street, Boston University School of Public Health, Boston, MA, United States.
Timothy HeerenDepartment of Biostatistics, 715 Albany Street, Boston University School of Public Health, Boston, MA, United States.
Russ HauserDepartment of Environmental Health, 677 Huntington Avenue, Harvard T. H. Chan School of Public Health, Boston, MA, United States.
Antonia M CalafatCenters for Disease Control and Prevention, 1600 Clifton Road, Atlanta, GA, United States.
Paige L WilliamsDepartments of Biostatistics and Epidemiology, 677 Huntington Avenue, Harvard T. H. Chan School of Public Health, Boston, MA, United States.
Donna D BairdNational Institute of Environmental Health Sciences, 111 TW Alexander Drive, Durham, NC, United States.
Lauren A WiseDepartment of Epidemiology, 715 Albany Street, Boston University School of Public Health, Boston, MA, United States.
Boston University · USHarvard University · USCenters for Disease Control and Prevention · USNational Institute of Environmental Health Sciences · US

Funding

Uterine LeiomyomasZIAES049013 · NIEHS · NATIONAL INSTITUTE OF ENVIRONMENTAL HEALTH SCIENCES · PI JUKIC, ANNE MARIE · 2009 to 2025
$14.7M
Environmental Epidemiology in Community SettingsT32ES014562 · NIEHS · BOSTON UNIVERSITY MEDICAL CAMPUS · PI Birgit Gunhild Claus Henn · 2006 to 2026
$7.7M
Endocrine disrupting chemicals and risk of uterine fibroids: a prospective studyR01ES024749 · NIEHS · BOSTON UNIVERSITY MEDICAL CAMPUS · PI LAUREN A WISE · 2015 to 2026
$4.8M
ARRA NIH HHSIntramural NIH HHS ZIA ES049013NIEHS NIH HHS R01 ES024749NIEHS NIH HHS T32 ES014562
6 · The paper itself

Abstract

backgroundNumerous studies suggest that some phthalates have adverse reproductive effects. However, literature on the association between phthalates and incidence of uterine leiomyomata (UL) is limited and inconsistent, with no existing prospective studies.

objectivesWe examined the association of urinary concentrations of phthalate and phthalate alternative biomarkers with UL incidence.

methodsWe conducted a case-cohort analysis within a subgroup of 754 participants in the Study of the Environment, Lifestyle, and Fibroids (SELF), a prospective cohort of premenopausal Black women aged 23-35 years who were recruited during 2010-2012. We quantified fourteen phthalates and two phthalate alternative [1,2-cyclohexane dicarboxylic acid, diisononyl ester (DINCH)] biomarkers in urine collected at baseline, 20 months, and 40 months. Transvaginal ultrasounds identified UL at baseline and every 20 months during 60 months of follow-up. We evaluated the individual biomarkers, molar sum of di(2-ethylhexyl) phthalate [ΣDEHP] and potency-weighted sum of anti-androgenic [WΣAA] biomarkers. We used Cox proportional hazards regression to estimate adjusted hazard ratios (HRs) and 95% confidence intervals (CIs) for the association between biomarkers and UL incidence. We then used quantile g-computation to examine joint associations of multiple phthalate biomarkers with UL incidence.

resultsMost individual biomarkers showed weak-to-moderate inverse associations with UL incidence. HRs comparing highest vs. lowest quartiles of mono-isobutyl phthalate (MiBP) and mono-hydroxyisobutyl phthalate (MHiBP) concentrations were 0.63 (95% CI: 0.40, 1.01) and 0.61 (95% CI: 0.38, 0.96), respectively. Inverse associations for specific phthalates were stronger among women with BMI ≥ 30 kg/m DISCUSSION: In this prospective ultrasound study of reproductive-aged Black women, urinary concentrations of phthalate and DINCH biomarkers were not appreciably associated with higher risk of UL, either individually or jointly.

Indexed as

Environmental PollutantsLeiomyomaPhthalic AcidsAdultBiomarkersEnvironmental ExposureFemaleHumansIncidenceProspective StudiesYoung AdultBiomarkersEnvironmental Pollutantsphthalic acidPhthalic AcidsEndocrine disrupting chemicalsEnvironmental epidemiologyPhthalatesReproductive healthUterine leiomyomaWomen's health

Identifiers

PMID33360166
PMCPMC8630749
OpenAlexW3115636561

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.