https://www.engadget.com/2016-01-10-sperm-switch.html
Birth control for men comes down to flipping a switch
Jan 10, 2016 - Birth control for men still tends to be divided between condoms (which aren't always fun or reliable) and more drastic surgical procedures like vasectomies...
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https://www.marieclaire.com/sex-love/a25349535/topical-gel-male-birth-control/
How NES/T, A Gel Birth Control for Men, Could Change Everything | Marie Claire
Dec 1, 2018 - The National Institutes of Health just approved funding for a new topical gel, N/EST, that could prevent pregnancy and serve as a form of male birth control.
birth control for men