Clean stoves for pregnant women may prevent low birth weight and pneumonia
NCT ID NCT02944682
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tested whether giving pregnant women in India, Guatemala, Peru, and Rwanda a clean-burning liquefied petroleum gas (LPG) stove and free fuel for 18 months could improve health outcomes for their babies. Over 3,600 households participated, with half receiving the LPG stove and the other half continuing to use traditional biomass stoves. Researchers tracked birth weight, pneumonia, and growth in the first year of life, as well as blood pressure in older women in the household.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- Liquefied petroleum gas (LPG) cookstove and fuel supply
- What this could lead to
- If successful, this could show that replacing smoky biomass stoves with clean LPG stoves during pregnancy and infancy reduces low birth weight, severe pneumonia, and stunting.
- What could go wrong
- The trial is complete, but results may not apply to all settings. The intervention is free and supported, so real-world use might be lower. The outcomes depend on consistent exclusive use of the LPG stove.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Puno Global Non-Communicable Disease Research Site, School of Medicine, Johns Hopkins University
Puno, Peru
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Rwanda Research Site, London School of Hygiene and Tropical Medicine, University of Liverpool
Kigali, Rwanda
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Sri Ramachandra Institute of Higher Education and Research
Chennai, Tamil Nadu, 600116, India
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Universidad del Valle de Guatemala
Guatemala City, Departamento de Guatemala, 01015, Guatemala
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