Maternal Exposure to Biomass Smoke and Carbon Monoxide in Relation to Adverse Pregnancy Outcome in Two High Altitude Cities of Peru

Overview

Journal Environ Res

Publisher Elsevier

Specialty Environmental Health

Date 2014 Feb 25

PMID 24561394

Citations 11

Authors

S Yucra

V Tapia

K Steenland

L P Naeher

G F Gonzales

Affiliations

Soon will be listed here.

Abstract

Background: Exposure to pollution from biomass fuel has been associated with low birthweight in some studies. Few studies have included exposure-response analyses.

Method: We conducted a case-control study of biomass fuel use and reproductive outcome at high altitude in Peru. Cases (n=101) were full term births who were SGA (birth weight <10th percentile for gestational age). Controls (n=101) had a birthweight ≥10th percentile, and were matched to cases on birth week and residence. Biomass fuel use during pregnancy was determined by questionnaire. Carbon monoxide (CO) in the kitchen was measured in a subgroup (n=72). Logistic regression was used to estimate the effects of biofuel and CO on the risk of SGA, controlling for maternal education and parity.

Results: Among cases, 30%, 27% and 44% used gas, gas+biomass, and biomass, respectively, while the figures for controls were 39%, 33%, and 29%. The adjusted odds ratio (OR) for biomass fuel alone compared with gas alone was 4.5 (95% CI: 1.3, 15.5, p=0.02), while the OR for biomass+gas vs. gas alone was 2.1 (0.80-5.5) (p=0.13). Among the subgroup with measured CO, the mean 48-h kitchen CO levels were 4.8, 2.2 and 0.4ppm for biofuel only, biofuel+gas, and gas respectively. ORs by increasing tertile of CO level were 1.0, 1.16, and 3.53 (test for trend, p=0.02). The exposure-response trend corresponds well with one other study with analogous data.

Conclusion: Despite limited sample size, our data suggest that maternal exposure to biomass smoke and CO, at high altitude, is associated with SGA among term births.

Citing Articles

Biomass fuel use and birth weight among term births in Nigeria.

Kana M, Shi M, Ahmed J, Ibrahim J, Ashir A, Abdullahi K PLOS Glob Public Health. 2023; 2(6):e0000419.

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Household polluting cooking fuels and adverse birth outcomes: An updated systematic review and meta-analysis.

Luo M, Liu T, Ma C, Fang J, Zhao Z, Wen Y Front Public Health. 2023; 11:978556.

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Understanding the association between gradient of cooking fuels and low birth weight in India.

Islam S, Mohanty S SSM Popul Health. 2021; 13:100732.

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Association of adverse birth outcomes with exposure to fuel type use: A prospective cohort study in the northern region of Ghana.

Hussein H, Shamsipour M, Yunesian M, Hasanvand M, Fotouhi A Heliyon. 2020; 6(6):e04169.

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Open fire ovens and effects of in-home lavash bread baking on carbon monoxide exposure and carboxyhemoglobin levels among women in rural Armenia.

Tadevosyan A, Mikulski M, Wallis A, Rubenstein L, Abrahamyan S, Arestakesyan L Indoor Air. 2019; 30(2):361-369.

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