The product of the belief in a certain urban legend: that having sex in a hot tub makes it
impossible for you to become pregnant.
If an
individual is
unintelligent enough to believe this, they deserve to be unexpectedly pregnant. However, this just means that the population of stupidity will grow, due to stupid people having tons of babies.
It is supposed that a child stemming from this type of conception will be born to ridiculous parents and grow up to be completely lame itself.