According to the article, Male birth control pill soon a reality, “Men may soon have the options of a daily pill to be taken orally, a patch or gel to be applied to the skin, an injection given every three months or an implant placed under the skin every 12 months, according to Seattle researchers.”
Larry Setlow, 39-year old computer programmer, participated in clinical trials at the University of Washington and watch his sperm count drop to zero. He said he didn’t notice any side effects, besides for a little bit of weight gain. Although, Quentin Brown, 45-year old, volunteer in a study of MHCs at Harbor-UCLA Medical Center in Torrance, Calif, said he got a few headaches and woke up sweating at night, but no weight gain.
Male birth control pills use testosterone to inhibit sperm production, similar to the way female birth control use estrogen to stop the release of the egg.