A Pap smear once a year is required for women who have a pre-neoplastic lesion on cervix before surgery and also for cancer cervix. Otherwise it is not required. A simple Pap test should not cause any problems like fever, pelvic cramps. If your condition is definitely endometriosis ideally the ovaries should have been removed. Yes relief with danazol for 3 months suggests the likely diagnosis to be endometriosis.