“…Although there is no question that the sperm cryopreservation is a gold standard for male‐fertility preservation, sperm preservation by testicular sperm extraction (TESE) is also useful. Especially, for the patients with ejaculatory dysfunction, for example, the patients received prostatectomy, radiation therapy for the prostate, 6 or androgen ablation therapy, 6 , 7 TESE might be recommended instead of the sperm cryopreservation.…”