Hello. I am Aniket and in this video I have explained spermatogenesis. Spermatogenesis starts at the age of thirteen with the influence a testosterone and some pituitary and hypthalamus hormones. Once started, it continues and never completely stops. There is no phenomenon in males like menopause. Purusho me virya kis ayu me banta hai purusho me virya kab tak banta hai Medical physiology spermatogenesis explained in Hindi