Maternal mortality in the United States is on the rise,1 mobilizing programmatic and policy responses at local, state, and federal levels. A growing number of jurisdictions identify homicide as a leading cause of death during pregnancy and the postpartum period, yet relative to the attention paid to obstetric causes of death, rigorous examination of mortality from nonobstetric causes during pregnancy and the postpartum period is rare, particularly in comparison with similar investigations of women who were not pregnant.