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Assessment of ovarian reserve and fertility preservation strategies in children treated for cancer.

par Guzy, Laura ;Demeestere, Isabelle
Référence Minerva ginecologica, 69, 1, page (57-67)
Publication Publié, 2017

Article révisé par les pairs

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Résumé :

INTRODUCTION: The survival rate of chemotherapy treatments of malignant cancer or non-malignant conditions are continuously improving. As a result, there is an increased number of patients who received a gonadotoxic treatment during childhood and who later face fertility issues. Depending on the extent of the damage to the ovaries, acute or late complications may occur. Acute ovarian failure is defined by permanent amenorrhea after a high-risk treatment. When the drugs used are less gonadotoxic, ovarian insufficiency might appear later. This literature review will review both the current solutions for management of high-risk patients and the care options for low and medium risk patients. EVIDENCE ACQUISITION: For each patient the risk of premature ovarian insufficiency should be evaluated individually before treatment. Guidelines clearly recommend to preserve fertility of high-risk group before treatment, but questions remain about the future counselling of patients with low or moderate risk. EVIDENCE SYNTHESIS: Demand for fertility preservation methods has greatly increased. In this context, studies focusing on the best fertility preservation methods for patients, either before chemotherapy for the high-risk group or during the follow-up for the others, are essential. For the high-risk group, ovarian tissue cryopreservation is the only option for prepubertal girls. For postpubertal girls, oocytes vitrification could also be offered. CONCLUSIONS: The risk of premature ovarian failure must be evaluated for each patient treated with gonadotoxic therapies. Fertility preservation must be offered in high-risk patients and appropriate follow-up should be proposed to anticipate later fertility issue in low and medium risk patients.