The FIGO ovulatory disorders classification system - Munro, Malcolm G.; Balen, Adam H.; Cho, SiHyun; Critchley, Hilary O. D.; Díaz, Ivonne; Ferriani, Rui Alberto; Henry, Laurie; Mocanu, Edgar; Spuy, Zephne M van der (International Journal of Gynecology & Obstetrics, 2022)