Hidden pain in the right ovary is most commonly caused by the following reasons: the first reason is due to inflammation of the adnexal area, which includes inflammation of the ovaries, the fallopian tubes, and inflammation of the ligaments. When there is an inflammatory reaction in these tissues, symptoms of pain can occur, and this pain is often aggravated during menstruation or after exertion or coitus. The second reason is due to appendicitis, because chronic appendicitis can also lead to vague pain in the right lower abdomen, in the clinic to give the appropriate examination, will know whether it is due to inflammation of the adnexa, or due to appendicitis. Another point is that ureteral stones can also cause pain in the lower abdomen, and it is clinically recommended to do a routine urine test to differentiate.