---
title: Does mercury exposure at work affect period pain and menstrual symptoms?
description: Yes, women exposed to mercury vapor at work have significantly higher rates of period pain and cramping. Since this is observational research, it shows associ
url: https://niyora.com/research/papers/effects-of-metallic-mercury-on-the-perimenstrual-symptoms-and-menstrual-outcomes-2002/
---

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- Does mercury exposure at work affect period pain and menstrual symptoms?

Case-control study, 2002

# Does mercury exposure at work affect period pain and menstrual symptoms?

Yes, women exposed to mercury vapor at work have significantly higher rates of period pain and cramping. Since this is observational research, it shows association but not definite causation.

 Moderate study design

296 women exposed to mercury vapor and 394 control workers in China, ages 18-44

## What they did

Compared 296 female workers exposed to mercury vapor with 394 women from food processing plants (control group). All were ages 18-44 and had worked at their location for at least 1 year.

## What they found

Mercury-exposed women had significantly higher prevalence of abdominal pain (odds ratio 1.47, 95% CI 1.03-2.11) and dysmenorrhea (odds ratio 1.66, 95% CI 1.07-2.59) compared to controls.

## What it means for you

Mercury exposure at work is associated with increased menstrual pain. This is observational data from China, so it shows association rather than proving direct causation. Results may not apply to other countries or workplace settings.

296

women exposed to mercury

OR 1.47

abdominal pain odds ratio

OR 1.66

dysmenorrhea odds ratio

## About the study

Original title Effects of metallic mercury on the perimenstrual symptoms and menstrual outcomes of exposed workers Authors Yang JM, Chen QY, Jiang XZ Journal American journal of industrial medicine Year 2002 Study design Case-control study Participants 394 What was tested Occupational mercury vapor exposure (not a clinical trial) Read the paper [doi.org/10.1002/ajim.10130](https://doi.org/10.1002/ajim.10130)

## Topics

[Dysmenorrhea and period pain](https://niyora.com/research/topics/condition-dysmenorrhea/)[Cognition, concentration and memory](https://niyora.com/research/topics/symptom-cognition/)[Pain and headache](https://niyora.com/research/topics/symptom-pain/)[Oral contraceptives and drospirenone](https://niyora.com/research/topics/treatment-hormonal-contraceptives/)[Work and productivity](https://niyora.com/research/topics/life-area-work/)

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