Intravaginal Ring (IMAGE) CONRAD Caption CONRAD is testing two IVRs -- one is a tenofovir only and the other combines tenofovir and levonorgestrel. Credit CONRAD Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.