Sperm Sorting Method To Determine Baby Gender

Many couples who want to have the choice of the sex of their baby do so for many reasons.There may be hereditary issues such as hemophilia that affects mostly boy babies; the choice of having more than one child may be limited in countries such as China. There can be many explanations as to why they want to determine baby gender. There are various ways the sex of a child can be swayed with a little scientific intervention: some more involved than others are, some less costly.

One of the scientific ways to determine baby gender is sperm sorting. Originally the sperm sorting method was to control the sex of the progeny of cattle. They achieve this by taking advantage of the contrast in size involving the X and Y chromosome.

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A female sperm will have two X chromosomes and the male will have either a Y or an X. When a sperm containing a Y chromosome inseminates an egg, the result will be a male. If a sperm containing an X inseminates an egg, the results will be a female. Since the X chromosome is roughly three times larger than the Y, the initial approach used a centrifuge to separate the sperm by weight causing the heavier X sperm to gather at the bottom while the lighter Y sperm would be at the top. One issue was the high rate of speed of the centrifuge would cause the spinning sperm to be damaged or killed if they collided with each other.

New advances in the sperm sorting method have enhanced this process enough to make it a dependable choice for those wanting to determine baby gender. This procedure is used with intrauterine insemination or in vitro fertilization.

Sperm sorting applies the procedure of flow cytometry for scientific ways to determine baby gender. Before flow cytometric sorting, semen is marked with a luminous dye called Hoechst 33342. This then attaches to the chromosome; the “female” sperm absorbs more dye than the “male” sperm.

Consequently, when the sperm are subjected to UV light the X sperm glow brighter than the Y sperm. As the sperm flow through the flow cytometer, each one is coated with a drop of fluid according to its chromosome. The X gets a positive charge and the Y receives a negative charge. They separate the sperm using electrostatic deflection and then place them into individual tubes for AI or in vitro fertilization.

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