A 38-year-old gravida 3, para 2 female presents to the office with an eight-month history of severe recurrent cyclic pelvic pain. The patient had a long history of heavy menstrual cycles and dysmenorrhea for which she had undergone an uncomplicated endometrial ablation using radiofrequency device two years ago. As a result of the procedure, she has become amenorrheic. Eight months ago she began to experience severe bilateral lower pelvic cramping that occurs monthly and lasts for five to seven days. She has had minimal improvement with non-steroidal anti-inflammatory agents. She has no past medical history. Her past surgical history is significant for postpartum tubal sterilization five years ago. She is a non-smoker and has no significant family history. She is sexually active with one male partner and has no history of sexually transmitted infections. She is not taking any medications and has no drug allergies.