Occupational exposure to inorganic particles during pregnancy and birth outcomes: a nationwide cohort study in Sweden.

ABSTRACT:

Objectives

The aim of this study was to investigate if occupational exposure to inorganic particles or welding fumes during pregnancy is associated with negative birth outcomes.

Design

A prospective national cohort study.

Setting

All single births from 1994 to 2012 in Sweden. Information on birth weight, preterm birth, small for gestational age, smoking habits, nationality, age, occupation, absence from work and education was obtained from nationwide registers. Exposure to inorganic particles (mg/m³) was assessed from a job exposure matrix.

Participants

This study included all single births by occupationally active mothers (995 843).

Outcome measures

Associations between occupational exposures and negative birth outcomes in the form of low bir

SUBMITTER: Norlen F 

PROVIDER: S-EPMC6398675 | biostudies-literature | 2019 Feb

REPOSITORIES: biostudies-literature