Abstract
With the increase in the survival rate of cancer patients, there has been a growing interest in the field of fertility preservation. One of the main methods in this aim is ovarian tissue cryopreservation, especially for prepubertal girls. From the early time of introducing this opportunity as a chance to preserve future fertility in cancer patients, following gonadotoxic treatments, many guidelines have been published, to introduce the real indications. The need for these guidelines seemed very urgent, and attracted great interest, because this method was performed as an experimental and no standard clinical option, for many years. So patient selection should have been done with the most standard and highly accurate criteria, which could analyze the cost/benefit of this technique after multidisciplinary evaluation, for each patient, individually. For many years the specialist believed that all caution must be taken in referring patients for this technology. To ensure that cancer patients receive high-quality uniform treatment, evidence-based clinical practice guidelines (CPGs) are needed. CPGs are essential to enhance care quality and decrease heterogeneity in practice and costs. The guidelines can provide clear advice on the best practice in the field of female FP, based on the best available evidence.