Leg pain and endometriosis
Endometriosis that affects the obturator nerve, which crosses through the pelvic region and innervates the inner thighs, can cause pain that radiates down the leg or toward the groin area or hips. Another way that endometriosis can cause leg and/or hip pain is when it affects the pudendal nerve, which innervates the lower vagina and external female genitalia. As with the obturator nerve, any areas connected to the pudendal nerve can become painful due to the endometriotic lesions. Endometriosis has also been found traveling along the obturator nerve to the adductor compartment of the thigh (P Waer, et al, Japan Journal of Radiology, 2012), which can cause pain in the hips and thighs.