Hi. Thanks for your query and an elucidate history. IT is not common to have such a problem after taking combined pill, although these being hormones can cause a change in the ovary and uterus , but pain during sex after such tablets is not common. This is called Dyspareunia meaning painful sex or pain during sex. The causes are as follows: PID, Pelvic inflammatory disease/ Salpingitis Ovarian cyst, torsion Psycho-somatic I would advise in such a patient the following: Ask the Gynecologist to have an internal examination by doing per-vaginal examination, this can elicit many a things. Urgent ultrasonography, per abdomen and per-vaginal . Routine examination of the blood, urine and stool. The final diagnosis hence made will help us to get a proper line of medical or surgical treatment.