Gender Selection

Have you always dreamt of having a little girl? Or maybe your heart is set on having a little boy? Well, new technologies are now allowing some couples to choose the sex of their child before pregnancy. Many couples wish to have a child of a particular sex in order to prevent certain medical illness or to help balance their families. Gender selection procedures are now available worldwide to help couples conceive a child of the desired gender.

What is Gender Selection?

Gender selection, or sex selection, is any method used to increase your chances of having a child of a specific gender. Every egg contains one X chromosome while sperm contain either a X chromosome or Y chromosome. When a X-bearing sperm fertilizes an egg, a girl is conceived, and when a Y-bearing sperm fertilizes an egg, a boy is conceived. Typically, you have about a 50% of conceiving a male child and a 50% chance of conceiving a female child. Gender selection techniques work to increase the odds in favor of having either a male or female child.

Why Gender Selection?

The reasons for undergoing baby gender selection are numerous. The most typical reasons for choosing sex selection procedures include:

  • Genetic Disease: Some couples are afraid of passing certain genetic diseases to their children. There are genetic disorders associated with male children, such as hemophilia and muscular dystrophy. In order to avoid having a child with these disorders, some parents choose to have a female child.
  • Family Balancing: Family balancing is also a popular reason to turn to gender selection. Couples who have already had a child often would like to have another child of the opposite sex, in order to balance their family.
  • Death of a Child: Unfortunately, some parents lose their children at a very young age. Gender selection provides these couples with the chance of having another child of the same gender.

Methods of Gender Selection

Preimplantation Genetic Diagnosis (PGD)

PGD is one of the most successful methods when it comes to gender selection. Patient should undergo IVF procedure, when embryos are cultured in a laboratory and allowed to divide, one cell or two will be removed for DNA analysis. Once the gender of the embryos are determined, only those embryos of the desired gender are implanted into the mother’s uterus through embryo transfer. PGD is highly successful, giving you a 99% chance of having a child of the desired gender.


Red= Y chromosome
Green= X chromosome
Blue= chromosome 18
A normal male

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