<prompt> One of the health benefits of the use of combined oral contraceptives in pre-menopausal women is that these contraceptives reduce the risk of:Deep vein thrombosisMigraineOvarian cancerIschemic stroke  <response>: Non contraceptive benefits of contraceptives: it decreases the risk of following condition Other: Ovarian cyst B: Benign breast disease E: Endometriosis N: Neoplasiaendometrial and ovarian cancers E: Ectopic pregnancy F: Fibroid I: Iron deficiency T: Premenopausal Tension Syndrome S: Skeletal diseaseosteoporosis 