Tobacco use in pregnant women: analysis of data from Demographic and Health Surveys from 54 low-income and middle-income countries  Dr Rishi Caleyachetty, PhD, Christopher A Tait, MPH, Andre P Kengne, PhD, Camila Corvalan, PhD, Prof Ricardo Uauy, PhD, Justin B Echouffo-Tcheugui, PhD  The Lancet Global Health  Volume 2, Issue 9, Pages e513-e520 (September 2014) DOI: 10.1016/S2214-109X(14)70283-9 Copyright © 2014 Caleyachetty et al. Open Access article distributed under the terms of CC BY Terms and Conditions

Figure 1 Pooled prevalence of current smoking in pregnant women by WHO region Black squares are the effect estimates (pooled prevalence) and the horizontal bars show 95% CIs. Pooled estimates were derived from double arc-sine transformed prevalence and back-transformed for reporting. The Lancet Global Health 2014 2, e513-e520DOI: (10.1016/S2214-109X(14)70283-9) Copyright © 2014 Caleyachetty et al. Open Access article distributed under the terms of CC BY Terms and Conditions

Figure 2 Pooled prevalence of current smokeless tobacco use by pregnant women by WHO region Black squares are the effect estimates (pooled prevalence) and the horizontal bars show 95% CIs. Pooled estimates were derived from double arc-sine transformed prevalence, and back-transformed for reporting. The Lancet Global Health 2014 2, e513-e520DOI: (10.1016/S2214-109X(14)70283-9) Copyright © 2014 Caleyachetty et al. Open Access article distributed under the terms of CC BY Terms and Conditions

Figure 3 Pooled prevalence of any tobacco use by pregnant women by WHO region Black squares are the effect estimates (pooled prevalence) and the horizontal bars show 95% CIs. Pooled estimates were derived from double arc-sine transformed prevalence, and back-transformed for reporting. The Lancet Global Health 2014 2, e513-e520DOI: (10.1016/S2214-109X(14)70283-9) Copyright © 2014 Caleyachetty et al. Open Access article distributed under the terms of CC BY Terms and Conditions