The above chart is based on the following research study:
Unintended pregnancy in the United States: incidence and disparities, 2006
Received 22 July 2011; accepted 28 July 2011. published online 25 August 2011.
> Download as PDF

The above chart is based on the following research study:
Unintended pregnancy in the United States: incidence and disparities, 2006
Received 22 July 2011; accepted 28 July 2011. published online 25 August 2011.
> Download as PDF