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BMC Pregnancy and Childbirth

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01-12-2020 | Premature Rupture of Membranes | Research article

Environmental tobacco smoke exposure during pregnancy affects complications and birth outcomes in women with and without asthma

Authors: Nasrin Fazel, Michael Kundi, Asghar Kazemzadeh, Habibollah Esmaily, Roya Akbarzadeh, Raheleh Ahmadi

Published in: BMC Pregnancy and Childbirth | Issue 1/2020

Abstract

Background

It is known that environmental tobacco smoke (ETS) has adverse effects on pregnancy and birth outcomes. We aimed to assess the impact of ETS in pregnant women with and without asthma.

Methods

A cohort study was conducted from August 2014 to June 2015 enrolling 1603 pregnant women during their 2nd trimester. Data on tobacco exposure were collected at first visit and women were followed through pregnancy till postpartum.

Results

Of the 1603 women, 231 reported passive smoking, 223 non-asthmatics and 8 asthmatics. Women exposed to ETS during pregnancy were more likely to have an infant admitted to the pediatric ward (10.8% vs. 6.5%, p = 0.026) and to have low one- and five-minute Apgar scores (1 min: 6.1% vs. 2.6%, p = 0.011; 5 min: 2.2% vs. 0.7%, p = 0.039). Complications of pregnancy were also elevated in women exposed to ETS (53.7% vs. 42.3%, p = 0.002). Asthma had no additional effect beyond the impact of ETS except for cesarean sections that were more frequent in women with asthma exposed to ETS.

Conclusions

Due to the small number of women with asthma exposed to ETS, combined effects of asthma and ETS were only found for cesarean sections. Still counseling of pregnant women about adverse effects of ETS should consider women’s asthma as an additional reason to avoid ETS.

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Title: Environmental tobacco smoke exposure during pregnancy affects complications and birth outcomes in women with and without asthma
Authors: Nasrin Fazel
Michael Kundi
Asghar Kazemzadeh
Habibollah Esmaily
Roya Akbarzadeh
Raheleh Ahmadi
Publication date: 01-12-2020
Publisher: BioMed Central
Keywords: Premature Rupture of Membranes
Bronchial Asthma
Sectio Ceasarea
Smoking and Nicotine Detoxification
Sectio Caesarea
Published in: BMC Pregnancy and Childbirth / Issue 1/2020
Electronic ISSN: 1471-2393
DOI: https://doi.org/10.1186/s12884-020-03000-z

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Environmental tobacco smoke exposure during pregnancy affects complications and birth outcomes in women with and without asthma

Abstract

Background

Methods

Results

Conclusions

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Background

Methods

Results

Conclusions

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