Ovarian Tissue Cryopreservation for Fertility Preservation

Inclusion Criteria: * Be female age less than 40 years old. * Unable or unwilling to make use of oocyte or embryo banking alone. * Be scheduled to undergo surgery, chemotherapy, drug treatment and/or radiation for the treatment or prevention of a medical condition or malignancy with risk of causing permanent and complete loss of subsequent ovarian function. * Or, have a medical condition or malignancy that requires removal of all or part of one or both ovaries. * Or, Have newly diagnosed or recurrent disease. Those who were not enrolled at the time of initial diagnosis (i.e., patients with recurrent disease) are eligible if they have not previously received therapy that is viewed as likely to result in complete and permanent loss of ovarian function. * Have two ovaries if undergoing elective removal of an ovary for fertility preservation only. Exclusion Criteria: * Diagnosed with psychological, psychiatric, or other conditions which prevent giving fully informed consent. * Diagnosed with an underlying medical condition that significantly increases their risk of complications from anesthesia and surgery.