Figure. Associations Between Hospital Obstetric Volume and Severe Maternal Morbidity (SMM) Incidence for US Hospitals in Urban and Rural US Counties.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.