Uganda, March 22 -- Working in extreme heat can double the risk of stillbirth and miscarriage for pregnant women, according to new research from India.

The study found that the risks to mothers-to-be are significantly higher than previously thought.

Researchers say hotter summers can affect not only women in tropical climates but also in countries such as the UK.

They want specific health advice for working pregnant women globally.

Eight hundred pregnant women in the southern Indian state of Tamil Nadu took part in the study, which was started in 2017 by the Faculty of Public Health at the Sri Ramachandra Institute of Higher Education and Research in Chennai.

About half of those who took part worked in jobs where they were exposed to...