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HOW IS BABY'S SEX DETERMINED?
It is important to understand how the sex of a child is decided by nature. All human beings have 46 chromosomes in 23 matching pairs, all of which are present in every cell in our body. The exception to this is the sex cells, sperm, and oocytes or eggs, as these contain only 23 single chromosomes. The 23rd chromosome in all oocytes is always an X chromosome. This way, any egg can become male or female depending on which sperm fertilizes it. This is because there are two types of sperm produced in equal amounts; one carrying a X chromosome, and one carrying a Y chromosome. If a Y-bearing sperm fertilizes the egg then the baby will be male, and if the X-bearing sperm is the first past the post the baby will be a female.
The first thing you must understand is that a woman can not biologically determine the sex of her child. Every woman has eggs that contain X chromosomes. If the sperm that fertilizes the egg contains a Y chromosome, the woman will give birth to a baby boy. However, if the sperm that fertilizes one of these eggs contains another X chromosome, she’ll give birth to a daughter.
When a man ejaculates, between 200 and 400 million sperm are released into the woman's vagina. Some of these sperm contain Y chromosomes, while others contain X chromosomes. However, only one sperm is needed to fertilize an egg. All theories regarding how to conceive a boy using at-home gender selection are based on the belief that couples can create an environment that gives an advantage to the sperm containing the Y chromosome and vice versa.
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