According to Lin Ju-ting, a urologist at Shu-Tien Urology Clinic, "The reproductive function eventually declines for us all, both men and women, although men don't experience the clear-cut symptoms that women do, such as the end of menstruation." Instead, explains Dr. Lin, they go through a very gradual process of change, generally between the ages of 45 and 55.
「只要是人，就有更年期，」尹書田紀念醫院泌尿科主任醫師林儒廷指出，男性不像女性，有著「停經」那樣明確的更年期指標，男性的更年期是一個漸進的過程，持續的時間大約是在四十五至五十五歲之間。