Clinical Research Directory

Inclusion Criteria: * Women ≥40 years of age, presenting with cycle irregularities while fulfilling at least one of the respective two criteria: more than seven days difference in menstrual cycle duration between two consecutive cycles OR, presence of a menstrual cycle duration over sixty days and progressive elevation of FSH levels. * Discontinuation of any complementary/adjuvant treatment including hormone replacement, acupuncture, and botanotherapy, for at least three months prior to recruitment. * Willing to comply with study requirements Exclusion Criteria: * Any pathological disorder related to reproductive system anatomy * Amenorrhea * Endometriosis * Adenomyosis * Fibroids and adhesions * Infections in reproductive system * Current or previous diagnosis of cancer in reproductive system * History of familiar cancer in reproductive system * Severe male factor infertility * Prior referral for PGT * Ovarian inaccessibility * Previous POI diagnosis -Endocrinological disorders (Hypothalamus- * Pituitary disorders, thyroid dysfunction, diabetes mellitus, metabolic syndrome) * BMI\>30 kg/m2 or BMI\<18.5 kg/m2 * Systematic autoimmune disorders