Then there is this sign: if conception occurs in the fall. then more boys are born, and if the spring – a girl. This method is based on the 'fortification' of the body moms – they say. the fall of vitamins in the body a lot, and the boys 'knotted' more comfortable conditions. A girl agreed to appear on the light and in the spring of hypovitaminosis. Nevertheless, according to science, the saturation of the female body with vitamins does not affect the probability of fertilization namely X-or Y-sperm. Of course, vitamins are needed for normal body functioning, especially when planning pregnancy.
But so far no one vitamin can not assume the role of 'determinant' of sex unborn child. temperature method This method of planning sex is very common because it is easy to apply. Its essence lies in the fact that the Y-sperm cells under the influence of high temperature die quickly, whereas carriers of the X chromosome are more resistant to heat and cold. Cool dads who want to have an heir, can not be! they have to forget about tight jeans, close linen, sauna, steam bath prolonged stay at the wheel. Work in blast furnaces – no, cold heart – yes! Truth in this case is, however, these precautions more concerned with having children, in principle, and not specifically a boy or girls.
The fact is. that exposure to high temperature, the denaturation of the proteins of sperm and the sperm lose all activity. Y-carriers die slightly earlier, the X-media later, and calculate that segment when will remain the majority of those or other impossible.