
When you think about it, male contraception makes more logical sense than female contraception: to put it bluntly, it’s safer to unload a gun than to shoot at a bullet-proof vest.
Yet scientists have found it harder – or have been more reluctant – to control a million sperm a day than a single egg a month, and so there are, to date, ten different types of contraception available for women and only two (condoms and vasectomy) currently available for men.