Oh well...

This is:
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Fool, and when will they come up with hormonal pills for men so that their sperm becomes inactive? Let them get drunk/forgot, let them get fat, let them scratch all the side effects in full. Or pumping your girlfriend with some left-wing hormones is simple, not harmful, and generally the best solution is not to use rubber.
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They are not released because of feminist protests. From so here.

Going around is not bagging. You only read about feminists in the yellow press, right? I have to do with movement. Feminists warmly and sincerely support the spread of these drugs. Only according to the survey of the target audience - the demand they will not use. Men do not want and are afraid of hormones.