FC2 may also be available through universities and community health-based organizations such as Planned Insert of a female condom. Your HIV positive partner will be able to tell you if they are on regular treatment and have been virally suppressed for at least the last six months. One ring is inserted into the vagina to hold the female condom in place. Some disadvantages There are a few downsides to internal condoms, and not everybody finds them pleasurable. They are worn inside the vagina to prevent semen getting to the womb.