👉 Coccydynia, also known as coccygopalatine hernia or coccococcydiasis, is a condition in which there is an abnormal protrusion of the tailbone (crotch) from the pelvis. This can lead to discomfort and pain associated with menstruation, especially during pregnancy or after childbirth. Coccydynia is typically caused by a herniated disc or ligament between the pelvic bones, such as the coccyx, sac