"Choose your baby's gender"Oysters may excite the libido, but there is nothing like a hearty breakfast laced with sugar to boost a woman's chances of conceiving a son, according to a study released Wednesday.

Likewise, a low-energy diet that skimps on calories, minerals and nutrients is more likely to yield a female of the human species.This research may help to explain why in developed countries, where many young women choose low calorie diets, the proportion of boys is falling."