A 28-year-old woman presents to the gynecology clinic with irregular menstrual cycles, with periods occurring every two to three months. She denies any weight loss, fever, or family history of hormonal disorders. Pelvic Examination: A firm, non-tender, mobile adnexal mass measuring approximately 5 cm is palpated on the right side. Diagnostic tests confirm the mass to be a Sertoli-Leydig cell tumor. Which of the following symptoms is most commonly associated with Sertoli-Leydig cell tumors?