Tobacco use and secondhand smoke exposure among pregnant women in low- and middle-income countries: a call to action.

A commentary is presented that discusses tobacco use and exposure to secondhand smoke (SHS) among pregnant women residing in low- and middle-income countries. The authors enumerate some conditions caused by tobacco use in several high-income nations. They offer a chart of research priorities related to tobacco exposure during pregnancy in low- and middle-income nations. They emphasize the need to place tobacco exposure among pregnant women in the context of international challenges to women's health.