Can I Play A Role in Choosing the Sex of My Baby?

Long gone are the days during which you have to wait until your baby is born to find out the gender. You don’t even have to wait for the 20-week ultrasound anymore. Several advanced fertility techniques allow you to choose the preferred sex of your baby.

Eliran More, MD, and Irene Woo, MD, of California Center for Reproductive Health provide sperm washing and/or genetic testing to increase the odds that you’ll deliver a child of a particular sex.

You may want to play a role in choosing the sex of your baby to prevent specific diseases that are linked to a specific sex chromosome, like hemophilia A and B. You may also want to choose your baby’s sex to balance your family.

Your motives in choosing the sex of your baby influences the gender selection procedure you choose to undergo. Our experts share what you need to know about gender selection.

Sperm washing

Ericksson sperm washing and insemination is one technique used at California Center for Reproductive Health. Although this procedure is relatively simple and affordable, it provides limited outcomes, meaning you can increase the chance that you’ll have a boy or a girl – but it can’t be guaranteed.

During Ericksson sperm washing, the doctors treat your partner’s sperm in a specialized solution and then spin it down in a device called a centrifuge. Sperm carrying X (female) and Y (male) chromosomes have different densities, so the force of the centrifuge results in a separation between them.

The technique can lead to an overlap between the two types of sperm, so you may end up with a baby boy even if you desperately wanted a girl. The Ericksson sperm washing method is best for couples who would prefer one gender, but don’t have a medical reason for gender selection.


If you want to not just increase your odds of having a baby of a specific gender, but guarantee a specific sex, then preimplantation genetic diagnosis (PGT), is the preferred procedure. This process may be combined with Ericksson sperm washing and allows for a definitive choice when it comes to an embryo’s gender.

PGT is performed along with in vitro fertilization. The doctors take an egg and sperm from the respective partners and unite them in a lab. The resulting embryos undergo a biopsy and specific chromosomal test, which checks for gender and other chromosomal abnormalities (such as cystic fibrosis and Down syndrome).

The healthiest, most viable one or two embryos of the gender of your preference are then delivered into the woman’s uterus in a minimally invasive, in-office procedure. These embryos can then attach to the uterine wall and result in a positive pregnancy. PGT is nearly perfect in its ability to give you a child with the sex you desire.

At California Center for Reproductive Health, we’re leaders in assisted reproductive technology (ART) and gender selection. Couples in the greater Los Angeles area and beyond can find out more about how they can play a role in determining the sex of their future baby. Call us or use the online tool to set up a consultation at one of our offices in Encino, Valencia, Alhambra, or West Hollywood, California.

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