This presentation discusses the effectiveness of adjuvant therapy in breast cancer for restoring fertility and preventing early menopause. It summarizes the methods, results, and limitations of four studies on the topic. The studies include a prospective randomized trial, a systematic review, a cohort study, and a systematic review of 11 different papers. The presentation also highlights the need for more data on chemotherapy-induced menopause and the formal recommendation for the correct timing of pregnancy.