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Background Primary ovarian insufficiency (POI) can be seen in adolescents secondary to genetic or autoimmune conditions, or gonadotoxic therapies. Often times, its underlying cause is not identified. It is a rare condition in pediatrics, but a thorough evaluation is required for a timely diagnosis and optimizing outcomes. Objectives We aim to describe the clinical phenotype of idiopathic POI in an adolescent population seen in a referral center, and evaluate its diagnostic approach. Methods All patients evaluated between 2012 and 2018 were identified using the diagnostic codes for POI. Medical records were manually reviewed and clinical information was extracted. Cases were excluded from the final sample if they were found to have incomplete diagnostic information, Turner syndrome, eating disorders, gonadal surgeries and/or a history of oncological conditions or treatments. Results Forty-eight patients with POI were identified, and only seven met the established criteria. Anti-ovarian and anti-thyroid antibodies were evaluated in 100% and 86%, respectively, while only 29% were tested for anti-adrenal autoimmunity. The karyotype was obtained consistently, while the fragile X mental retardation 1 (FMR1) gene expansion was only assessed in approximately a third of the patients. Finally, only 29% of patients received reproductive counseling or referral to a fertility specialist. Conclusions Diagnostic evaluation for POI appears to be challenging to pediatric providers. Anti-ovarian antibodies are frequently obtained despite the lack of their clinical significance in POI, while anti-adrenal antibodies, which are the preferred diagnostic test, are not commonly obtained. Reproductive orientation or referral is seldom provided to the adolescent population.

Primary ovarian insufficiency in an adolescent population: clinical phenotype and diagnostic approach