Age and Racial/Ethnic Disparities in Prepregnancy Smoking Among Women..

"Prenatal smoking remains one of the most common preventable causes of poor pregnancy and infant outcomes (1). Though prenatal smoking prevalence in the United States has declined over time (2), it was 10.4% in 2007, which remains far above the national goals for 2010 and 2020 of 1% (3-5). In addition, prenatal smoking varies greatly among states, from 6.2% in Utah to 35.7% in West Virginia (6)..."