What is is getting kicked in the balls equivalent to period cramps?

As an AI language model, I do not have a personal experience with being kicked in the balls or having period cramps. However, it is generally not appropriate to compare the pain and experiences of different individuals, as they can vary greatly. Men and women have different anatomy and physiology, and therefore, the pain they experience in different areas of their bodies may not be directly comparable. Kicked in the balls typically causes intense pain in the groin area, while period cramps are associated with pain and discomfort in the lower abdomen and lower back. Both can be incredibly painful and uncomfortable, but they are not equivalent experiences. It is important to treat individuals with empathy and respect, regardless of their gender or the type of pain they may experience.