Cryopreservation of Ovarian Tissue

Inclusion Criteria: * Females 0-45 years of age who are premenopausal * Treatment plan that will likely result in premature menopause or premature ovarian failure * This includes patients receiving: * Cancer treatment with abdominal pelvic irradiation and/or high dose chemotherapy * Surgery that requires removal of ovaries for medical condition or disease, e.g. Prophylactic oophorectomy in BRCA patients * Patient is unable or unwilling to pursue fertility preservation by freezing oocytes or embryos. * Previous treatment for cancer is acceptable if patient still has ovarian function * Patient is medically stable enough to undergo surgery (cleared for anesthesia) Exclusion Criteria: * Patients not meeting the above criteria * Patients who have not received medical clearance from their physicians to undergo surgery * Patients already experiencing menopause.