Final answer:
The likely diagnosis for painful cysts that change with menses is Endometriosis.
Step-by-step explanation:
The likely diagnosis for a condition where cysts are painful and change with menses is Endometriosis. Endometriosis is a disease in which endometrial tissue grows outside the uterus and causes inflammation, pain, and scarring. The main symptom of endometriosis is pelvic pain, which may be severe and often occurs during menstruation.