If I remember right the doctor who came up with this was trying to prevent the immediate problem of unplanned pregnancies in rural India - they're among the primary causes of our population explosion.
Most of the men and women in his (initial) target audience are illiterate and do not understand / care for methods of contraception that require any kind of anticipatory action - like taking regular pills, putting drunken desire on hold to find a condom, or even paying for either of these. (On $2 a day, all existing contraceptives are luxuries).
That said, I think is a perfect fit for his target demographic. Looks like the characteristics of that demographic are a lot more universal than he thought :D
Most of the men and women in his (initial) target audience are illiterate and do not understand / care for methods of contraception that require any kind of anticipatory action - like taking regular pills, putting drunken desire on hold to find a condom, or even paying for either of these. (On $2 a day, all existing contraceptives are luxuries).
That said, I think is a perfect fit for his target demographic. Looks like the characteristics of that demographic are a lot more universal than he thought :D