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With this method, they can separate y-sperm with 73% accuracy, x- sperm in 88% accuracy.

Usually the semen contains 50% y-sperm and 50% x-sperm, but there are some exceptions.

A cell from each embryo will be taken later on and a chromosomal analysis is conducted to determine the sex of the embryos.

Fourth: The normal embryos having the desired sex are transferred to the uterus, sometimes we can’t transfer any embryos if they were abnormal or of the undesired sex.

There are many ways to separate the sperm, some methods depend on the molecular weight of the sperm others on electronic activity, others by passing the sperm through albumin. This method of sperm separation depends on the DNA content of the sperm and it is called Cytometry sperm separation flow.

Here are some methods that can be used to increase the chance of having a male baby. Joshi researches proved that the female diet affects the gender of the baby and this occurs due to its effect on the sperm receptors in the oocyte wall and via these receptors the sperm penetrates this wall and fertilization occurs. This increases the success rate of having a male baby by 5%, and it is done using vaginal douches that can be bought from the pharmacy.This method is 99%-100% accurate and before continuing with this method there is several points to consider: 1- The wife’s age. 3- Medical health of the wife, and the ways of delivery.4- If the couples can cope with a pregnancy of the undesired sex This method includes the following steps: First: Ovulation induction using injections: During this time, the follicle size is measured till it reaches the appropriated size., Tinder is the harbinger of today's hookup-fuelled "dating apocalypse." But the truth of the matter is, hooking up isn't anything new (and may in fact be hardwired into our genetics).And as for Tinder, sure, it can be used for swiftly finding a one-night stand, but there are plenty of other apps that are better suited for that task.