The cervical cap.
The Prentif cavity rim (PCR) cervical cap offers American women a barrier method alternative that is safe, effective, and convenient. Despite its many advantages and benefits, disadvantages have been documented. These include limited availability and side effects, such as cap dislodgement, partner discomfort, and bad odor of the cervical cap. However, many women decide the benefits and advantages associated with the PCR cervical cap outweigh the risks and possible side effects, making it an appealing alternative.