Measuring your cervical position using the knuckle test rule is a simple and effective way to enhance your menstrual cup experience. Understanding the height of your cervix allows you to select the right cup size, ensure a comfortable fit, prevent leaks and facilitate cup removal.

Having a low cervix can make it tricky to use menstrual cups comfortable. Here's a complete round up of the best menstrual cups for a low cervix (featuring those all important measurements!)