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.
ROC curves of AoI PI, UA PI, and CPR for prediction of adverse perinatal outcomes. AoI, aortic isthmus; CPR, cerebroplacental ratio; PI, pulsatility index; ROC, receiver operating characteristic; UA, umbilical artery
Vasudeva. Clinical utility of aortic isthmus Doppler. Am J Obstet Gynecol Glob Rep 2022.
