Why is it said that sperm have a three-month growth cycle?

Spermatogenesis consists of sperm growth as well as maturation, with sperm growth occurring in about 64 days and sperm maturation occurring in about 10 days or so, making the entire sperm growth cycle about three months. Spermatogenesis in the testis is the process by which spermatogonia in the seminiferous epithelium develop into the mature form of spermatozoa. During this process, spermatogonia at all levels need to break through the structure between the supporting cells to move toward the lumen side and the testicular output tubules, and finally the spermatozoa produced are released into the lumen of the seminiferous tubules, a process that takes about 64 days. At this time, the spermatozoa produced by the testes are not yet functionally mature, and only after the spermatozoa are transported to the epididymis, where they remain for 18 to 24 hours, do they have the ability to move as well as be fertilized. In the epididymis, the spermatozoa, together with secretions from the epididymis, seminal vesicles, prostate and urethral bulbourethral glands, form semen, which is discharged during ejaculation. If sperm abnormality occurs, it is recommended to consult a doctor for a clear diagnosis and targeted treatment or therapy to avoid delaying the condition.