After the week eight of pregnancy, women working two or more night shifts per week have a 32 per cent higher risk of miscarriage, a study found.
Pregnant women who work two or more night shifts per week have an increased risk of miscarriage, a new study has found.
After the eighth week of pregnancy, women working two or more shifts per week have a 32 per cent higher risk of miscarriage compared with women who not working night shifts.
However, they said the study is observational and can't establish the cause of the miscarriages.
"The findings increase the knowledge about exposure to night work and have relevance for working pregnant women as well as their employers, physicians and midwives," the report said.
The first of its kind study matched payroll data for more than 20,000 women employed at Danish public hospitals with the country's national medical records for births and miscarriages.
The study was published online in Occupational & Environmental Medicine on Tuesday.