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How to plan the baby's gender?
Almost every married couple trying to plan the gender of the child. Someone wants to be the first boy was born, someone - to a girl. Unfortunately, the gender of the child is almost 100% dependent on a random set of circumstances, and he is determined at conception.
One X-chromosome gender contained in the female egg and male sperm can contain either X-, and Y-chromosome. If the egg is fertilized by sperm carrying the X-chromosome, the girl is born, and if the sperm contains a Y-chromosome - that boy.
Modern medical technology allows to separate the "male" sperm on "female" and increase the likelihood of birth given way to the floor of artificial fertilization such "same-gender" sperm. But this technology is very complex and not widely applied in practice.