Vasectomies can be vastly effective. The first one might fail but a quick test and a second or third snip will get you within walking distance of 100%, if you can still walk straight. All anti-choice men could show the veracity of their beliefs by immediately lining up at their local Speedy Vasectomy franchise. Then they could stroll down the street and adopt difficult and unwanted babies. After they've taken care of 9 or 10 difficult kids for 20 years they might have a relevant opinion on what women could do with their amazing bodies.