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on 24 july, fittingly just days before the start of womens month in south africa, the european medicines agency (ema) delivered a positive opinion on a vaginal ring to prevent hiv. Vaginal rings (also known as intravaginal rings, or v-rings) are polymeric drug delivery devices designed to provide controlled release of drugs for intravaginal administration over extended periods of time. The ring is inserted into the vagina and provides contraception protection. a vaginal ring, inserted once a month, contains an antiretroviral to protect against hiv it has been hailed as a milestone for womens hiv prevention as women face a much higher risk of. The possibility of a vaginal ring that can protect women against hiv has moved a step closer after the european medicines agency (ema) reacted positively to trials that found a ring containing the antiretroviral drug dapivirine can reduce a womans risk of acquiring hiv during vaginal. Vaginal is a sensation of tightness across the entire penis, whereas anal is more of a single ring feeling because the sphincter is the tightest point. On july 24, 2020, the european medicines agency (ema) announced a positive regulatory opinion from on the dapivirine vaginal ring as an hiv prevention option for cisgender women age 18 and older. The ring is a new hiv prevention tool developed by the international partnership for microbicides (ipm).