However, most women wait until they become pregnant to follow their physician's recommendations. Grosse and Collins (2007) found that folic acid prevents between 85% and 100% of birth defects, namely, neural tube defects (NTD's). Unfortunately, less than 50% of women currently take the recommended amount of folic acid (Centers for Disease Control and Prevention, 2007, October 26). What are some ways you can encourage uptake of folic acid in your community?please include references