In the study published in the Journal of Clinical Endocrinology and Metabolism, academics say they administered once every two months in subjects a dosage of progesterone, to reduce the production of sperm, and testosterone, to counterbalance the effects .
The result of this study on this male pill was 96% effective, with only four in 266 women becoming pregnant during the clinical trial period. A result comparable to that obtained with female hormonal contraception.
There are however already announced side effects: mood changes, erectile dysfunctions, acne, hypertension
While the results are promising for contraception, it should be noted that of the 320 study subjects aged 18 to 45, a few preferred to discontinue treatment because of frequent mood changes. Erectile dysfunction also caused six other volunteers to give up the injections.