Many couples over the years trying to calculate genderfuture child, but time after time they do not get it. And it turns out, the arithmetic of the birth of a boy or a girl is very simple. It all depends on the chromosome, which carried the sperm that fertilized the egg. The father’s X chromosome plus mother’s X chromosome form the X chromosome responsible for the female gender. If the sperm had a Y-chromosome, meeting with the X-chromosome of the egg, they will create the embryo of the boy. However, there are some methods by which one can predict how to give birth to a boy or a girl.
Almost 100% way to predictchild's gender is eco. In this case, you yourself can choose an embryo with the desired set of genetic properties. By the way, in vitro fertilization, there is a high probability of having twins or twins. The fact is that for greater confidence during this procedure, not one but several eggs are injected into the uterine cavity. Many men and women often say: "I want to give birth to a boy, but it does not work out at all."
Также предрасположенность к появлению на свет twins are often handed down from generation to generation. If there were no such cases in the families of the future parents, but they really want two boys or two girls, you can resort to advances in medicine. Often, twins are born in families who could not have children for a long time and were treated for infertility. During treatment, the potential mother takes medications that stimulate the growth of eggs. As a result, in the body it is quite possible for several mother cells to mature, capable of being fertilized.
Trust these methods or not - purely personaleveryone's business. In any case, caring about how to give birth to a boy or a girl, do not forget the main rule - the child must be desired, loved and surrounded by parental warmth and affection.