Menstrual pattern in polycystic ovary syndrome and hypothalamic-pituitary-ovarian axis immaturity in adolescents: a systematic review and meta-analysis - Zuchelo, Lea T. S; Alves, Mayara S; Baracat, Edmund Chada; Sorpreso, Isabel Cristina Esposito; Soares Junior, Jose Maria (Gynecological endocrinology, 2024)