4 ms·Sounds better than a vasectomy for men who want that. Good drug, wrong market perhaps.by gnaritas 10y agoSounds better than a vasectomy for men who want that. Good drug, wrong market perhaps.kbart 10y agoI'm not sure that 1/320 probability of success is good for that either..PakG1 10y agoJust gotta figure out how to increase the efficacy. :)