Male Contraception
Testosterone and other male hormones act as contraceptives by creating negative feedback in a man’s reproductive system, suppressing the production of sperm.
Hormonal contraception may become a safe, effective, and reversible form of birth control for men, according to a new study accepted for publication in the Journal of Clinical Endocrinology & Metabolism (JCEM). The study revealed that the combination of testosterone and progestin suppressed sperm production faster and more completely than testosterone alone.
For this study, a team of researchers analyzed all published male hormonal contraceptive studies of at least three months treatment duration from 1990 to 2006. It is possible to suppress sperm output to concentrations that are comparable with reliable contraception in most, but not all men. (For more information click on the top link).
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