Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Oogenesis

Oogenesis

In human women, oogenesis produces one mature egg cell or ovum for every precursor cell that enters meiosis. This process differs in two unique ways from the equivalent procedure of spermatogenesis in males. First, meiotic divisions during oogenesis are asymmetric, meaning that a large oocyte (containing most of the cytoplasm) and minor polar body are produced as a result of meiosis I, and again following meiosis II. Since only oocytes will go on to form embryos if fertilized, this unequal...

Non-LTR Retrotransposons

Non-LTR Retrotransposons

As the name suggests, non-LTR retrotransposons lack the long terminal repeats characteristic of the LTR retrotransposons. Additionally, both LTR and non-LTR retrotransposons use distinct mechanisms of mobilization. Non-LTR retrotransposons are further divided into two classes - Long interspersed nuclear elements (LINEs) and short interspersed nuclear elements (SINEs), both of which occur abundantly in most mammals, including humans. Some of the active non-LTR retrotransposons in humans are L1...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Preconception dietary patterns in association with live birth and pregnancy loss: a couples-based approach.

Fertility and sterility·2026

Same author

An Almond Meal-Rich Diet Improves Red Blood Cell Count and Reduces Odds of Anemia in a Mouse Model of Aging.

Antioxidants (Basel, Switzerland)·2026

Same author

Relationship between endometriosis diagnosis, staging, and typology and inflammatory cytokines.

F&S reports·2026

Same author

Association of Blood Arsenic Concentrations with Lipid Markers in Uruguayan Adolescents: Exploring Effect Modification by Body Mass Index and Sex.

Exposure and health·2026

Same author

Prediction of endometrial tissue PFAS concentrations using serum levels, demographic, and reproductive factors: Findings from the Investigating Mixtures of Pollutants and Endometriosis in Tissue (IMPLANT) study.

Environmental epidemiology (Philadelphia, Pa.)·2026

Same author

Exposure to a mixture of four metals and associations with urinary oxidative stress biomarkers in Uruguayan adolescents.

Journal of environmental exposure assessment·2026

Same journal

Retraction notice to "Trehalose restores functional autophagy suppressed by high glucose" [Reprod. Toxicol. 85 (2019) 51-58].

Reproductive toxicology (Elmsford, N.Y.)·2026

Same journal

Exposure to toxic metals/metalloids in the environment and in vitro fertilization outcomes in a population group from Romania.

Reproductive toxicology (Elmsford, N.Y.)·2026

Same journal

Gadolinium induces Sertoli cell damage: cellular and molecular mechanisms.

Reproductive toxicology (Elmsford, N.Y.)·2026

Same journal

Influence of radiofrequency electromagnetic radiation on spermatogenesis and sperm function in rodent models: A systematic review.

Reproductive toxicology (Elmsford, N.Y.)·2026

Same journal

Microplastics as trojan horses: A new perspective on bisphenol toxicity in male infertility and assisted reproduction.

Reproductive toxicology (Elmsford, N.Y.)·2026

Same journal

Effects of prenatal pyrethroid pesticides exposure on neurodevelopment of 3-year-old children: A birth cohort study in rural Southwest China.

Reproductive toxicology (Elmsford, N.Y.)·2026

See all related articles

Search research articles

Related Experiment Video

Updated: May 9, 2026

Intraoperative Detection of Subtle Endometriosis: A Novel Paradigm for Detection and Treatment of Pelvic Pain Associated with the Loss of Peritoneal Integrity

Intraoperative Detection of Subtle Endometriosis: A Novel Paradigm for Detection and Treatment of Pelvic Pain Associated with the Loss of Peritoneal Integrity

Published on: December 21, 2012

Trace elements and endometriosis: the ENDO study.

Anna Z Pollack¹, Germaine M Buck Louis, Zhen Chen

¹Division of Epidemiology, Statistics and Prevention Research, Eunice Kennedy Shriver National Institute of Child Health and Human Health, 6100 Executive Blvd. Rockville, Maryland 20852, United States.

Reproductive Toxicology (Elmsford, N.Y.)

|July 30, 2013

Summary

This summary is machine-generated.

Trace element levels show varied associations with endometriosis. Blood cadmium may reduce endometriosis risk, while urinary chromium and copper may increase it, warranting further investigation into these trace elements and endometriosis.

Keywords:

95% confidence interval Arsenic BMI CI Cadmium Cd Chromium ENDO Endometriosis Hg IQC LOD Lead MRI Mercury Metals NHANES NIST National Health and Nutrition Examination Survey National Institute of Standards and Technology OR Pb Trace elements aOR adjusted odds ratio body mass index cadmium endometriosis: Natural History, Diagnosis and Outcomes Study internal quality control lead limits of detection magnetic resonance imaging mercury odds ratio

Related Experiment Videos

Last Updated: May 9, 2026

Intraoperative Detection of Subtle Endometriosis: A Novel Paradigm for Detection and Treatment of Pelvic Pain Associated with the Loss of Peritoneal Integrity

Intraoperative Detection of Subtle Endometriosis: A Novel Paradigm for Detection and Treatment of Pelvic Pain Associated with the Loss of Peritoneal Integrity

Published on: December 21, 2012

Area of Science:

Gynecology
Environmental Health
Biochemistry

Background:

Endometriosis is a common gynecological condition with multifactorial causes.
Research on the role of trace elements in endometriosis pathogenesis is limited.
Understanding environmental factors, such as trace elements, may offer new insights into endometriosis.

Purpose of the Study:

To investigate the association between specific trace elements and the diagnosis of endometriosis.
To compare findings between an operative cohort with surgically confirmed disease and a population cohort with MRI-diagnosed disease.

Main Methods:

A matched cohort study involving 473 women in the operative cohort and 131 women in the population cohort (aged 18-44 years).
Quantification of 20 urinary and 3 blood trace elements using inductively coupled plasma mass spectrometry.
Logistic regression analysis to estimate the adjusted odds ratios (aOR) of endometriosis for each element.

Main Results:

No significant associations were found between any trace element and endometriosis in the population cohort.
In the operative cohort, blood cadmium was associated with reduced odds of endometriosis (aOR=0.55).
Urinary chromium (aOR=1.97) and copper (aOR=2.66) were associated with increased odds of endometriosis in the operative cohort.

Conclusions:

Trace element associations with endometriosis differ between population-based and surgically confirmed cohorts.
Blood cadmium, urinary chromium, and urinary copper show potential links to endometriosis, highlighting the need for further research.
These findings suggest a complex role for trace elements in endometriosis and emphasize the importance of continued investigation.