What are some challenges of having a male birth control pill? Why is it not available yet? Read this article: https://www.cnn.com/2016/01/07/health/male-birth-control-pill/ Cite any work. 5-7 sentence

What are some challenges of having a male birth control pill? Why is it not available yet? Read this article: https://www.cnn.com/2016/01/07/health/male-birth-control-pill/ Cite any work. 5-7 sentences.