A feminist professor said to our class decades ago, "There is no male birth control pill is because men don’t like to experiment on themselves."
Even if you’ve never seen a diagram in your life, it makes sense that the body that can carry a child would have more intricate and complicated workings going on inside. So, even if you’ve never seen how relatively simple a male reproductive system is, it ought to be easy for you to imagine that an less complicated reproductive system should have a less complicated ways of chemically stopping it from producing sperm – a.k.a a male birth control pill.
So, according to the professor, there would be a male birth control pill but for the fact that most of the researchers are men and they don’t like to experiment on themselves, cut bodies up that look like their own etc. And aside from the discomfort of experimenting on penises, they don't intend to suffer any side effects (like nausea from the pill)
She said that decades ago.
And here is an article that was written in the last few days