Related Experiment Video
Updated: Apr 28, 2026

Measuring Carbon Content in Airway Macrophages Exposed to Carbon-Containing Particulate Matters
Published on: July 12, 2024
Air pollution and human fertility rates
Mark J Nieuwenhuijsen1, Xavier Basagaña1, Payam Dadvand1
1Centre for Research in Environmental Epidemiology (CREAL), Barcelona, Spain; CIBER Epidemiología y Salud Pública (CIBERESP), Spain; UPF, Spain.
Higher traffic-related air pollution is linked to lower human fertility rates. This study found a significant reduction in fertility with increased exposure to air pollutants, especially particulate matter.
Area of Science:
- Environmental Health
- Reproductive Epidemiology
- Air Quality Science
Background:
- Previous research suggested air pollution impacts human reproductive health and animal fertility.
- However, direct evidence on human fertility rates and air pollution was lacking.
Purpose of the Study:
- To investigate the association between traffic-related air pollution and human fertility rates.
- To determine if higher air pollution levels correlate with decreased fertility in Barcelona.
Main Methods:
- Calculated general fertility rates per census tract.
- Utilized land use regression (LUR) to estimate air pollution (particulate matter, NO2/NOx).
- Employed statistical models to assess the relationship, controlling for confounders like age and socioeconomic status.
Main Results:
- A statistically significant reduction in fertility rates was observed with increased air pollution.
- Coarse particulate matter showed a notable association with reduced fertility (IRR=0.87).
Conclusions:
- This study provides the first human evidence linking reduced fertility rates to elevated traffic-related air pollution.
- Findings highlight potential public health concerns regarding air quality and human reproduction.
More Related Videos
04:39A Modified QuEChERS-HPLC Method for Detection of Polycyclic Aromatic Hydrocarbons in Zebrafish Embryos Exposed to Fine Particulate Matter
Published on: June 13, 2025
09:33Visualizing Field Data Collection Procedures of Exposure and Biomarker Assessments for the Household Air Pollution Intervention Network Trial in India
Published on: December 23, 2022
Related Concept Videos
Threats to Biodiversity
Types of Toxins
Air pollutants, primarily gases, pose significant threats to respiratory health, leading to conditions like hypoxia, lung cancer, and in extreme cases, death.
Environmental pollutants like...
Spermatogenesis
Infertility in Males
Factors Affecting Pulmonary Ventilation
Alveolar Surface Tension
The alveolar fluid lines the luminal surface of the alveoli and exerts a force called surface tension. This force is caused by the polar water molecules in the liquid being more strongly attracted to each...
Upper Respiratory Drugs: Antitussives, Expectorants, and Mucolytics
Antitussives include codeine, dextromethorphan (Robitussin), and benzonatate (Tessalon). Codeine and dextromethorphan exert their effects centrally by suppressing the cough reflex center in the medulla. Benzonatate operates peripherally within the respiratory tract by...