science

Except there are many women who would like to get pregnant and trap the sperm doner into child support. I think many men would love to be in charge of their futures. Condoms can fail or be sabotaged.

Edit: Downvote me all you want but in the name of equality there should be options for males to take if they want to give their female partners the choice not to take anything. Not saying women don't deserve better options but there should be options for males too.