Long-term effects of vasectomy on prostatic function in men

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Abstract
The seminal plasma constituents of acid phosphatase, maltase, citric acid, prolactin, Zn and Mg were measured in men vasectomized for 1-8 yr. Compared with values obtained for a group of normal fertile men, all the constituents, except acid phosphatase which was unchanged, decreased significantly after vasectomy, but not progressively so. Since the constituents measured are believed to be of prostatic origin, vasectomy in men may decrease the prostate gland secretory function.