<prompt> Answer this question truthfullyWhat are some common causes that may be considered in a differential diagnosis for secondary dysmenorrhea?  <response>: <reason> There are several common causes that may be considered when evaluating a patient with secondary dysmenorrhea, which is painful menstrual cramping that develops later in life after a period of normal menstrual cycles. These causes may include endometriosis, pelvic inflammatory disease PID, the presence of an intrauterine device IUD, uterine leiomyoma fibroids, and adenomyosis. It is important to identify the underlying cause of secondary dysmenorrhea in order to provide appropriate treatment and management options. 