The Quatro Study: Acceptability Study of (Placebo) Vaginal Delivery Forms for Preventing HIV and Unintended Pregnancy

Inclusion Criteria: * Age 18-30 * In good health, as determined by the site Investigator or designee based on clinical history * Willing and able to comply with study procedures and attend monthly follow-up visits * Willing and able to provide informed consent * Fluent in one of the languages being used in the study (English, Shona or Zulu) * Not intending to travel or move out of the research catchment area for the next 6 months * Sexually active defined by vaginal intercourse with a male at least 4 times per month in the past 3 months and plan to be sexually active during the study duration Exclusion Criteria: * HIV positive * Pregnant, or intention to become pregnant during the clinical study * Prior participation in any HIV-prevention or MPT product demonstration study or clinical trial * Any current or historical health (including vaginal or genitourinary conditions) or psychological issues that the site Investigator or his/her designee determines should exclude the potential participant