The highest estimates of reported alcohol use in pregnancy, according to recently published research by the Centers for Disease Control and Prevention (CDC), were among those who were aged 35-44 years, white, college graduates, and employed. Also included in the link below is access to the Centers for Disease Control and Prevention (CDC) statistics on the national prevalence of FASD, alcohol use among women of childbearing age, and other data sets providing context for the recent demographical findings of women who drink. 

CDC Fetal Alcohol Spectrum Disorders (FASD) Data and Statistics
Article, International Business Times, July 20, 2012