IPM's Monthly Dapivirine Ring for HIV Prevention (image) International Partnership for Microbicides (IPM) Share Print E-Mail Caption The monthly dapivirine ring, developed by the International Partnership of Microbicides (IPM). Credit Andrew Loxley Usage Restrictions Please note IPM as product developer; thank you. Share Print E-Mail 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.