What Is Perineal Massage? Perineal massage involves gentle stretching and soft tissue work of the perineum, the area between the vaginal opening and the anus. This area is crucial because it’s where most vaginal tears occur during birth. The goal of perineal massage isn’t relaxation . Instead, it aims to help your body acclimate to the sensations of pressure and stretch. By doing this, you can feel less overwhelmed when these sensations arise during labor. When to Start Perin