A 25-year-old woman comes to the physician for a 6-month history of severe menstrual pain. The pain has caused her to miss work on numerous occasions. Menarche was at the age of 13 years. Her last menstrual period was 6 days ago. Physical examination shows no abnormalities. Her blood pressure is 130/80. Which of the following is the most likely explanation for these findings?
Endometriosis
Ruptured cyst
Prostaglandin
Pseudocyesis
Torsion
