CDC - Pregnancy Mortality Surveillance System - Maternal and Infant Health - Reproductive Health

http://www.cdc.gov/reproductivehealth/maternalinfanthealth/pmss.html

Since the Pregnancy Mortality Surveillance System was implemented, the number of reported pregnancy-related deaths in the United States steadily increased from 7.2 deaths per 100,000 live births in 1987 to a high of 17.8 deaths per 100,000 live births in 2009 and 2011.

---Steve