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The IVF Fertility Blog

National Trisomy Awareness - How Genetic Testing Can Help Prevent Trisomy

March is National Trisomy Awareness Month.  Trisomy is the name for a number of genetic disorders that are caused by an additional chromosome.  Normally, humans have 23 pairs of chromosomes.  However, sometimes defects occur during the embryo’s development and a third chromosome is produced.   Genetic testing to prevent trisomy is possible and can save couples heartache.

Trisomy Diseases3.30

There are many variations of trisomy.  Each variant is named for the particular pair of chromosomes that is duplicated.  Many people know of Downs syndrome, also known as Trisomy 21, but are unfamiliar with other forms of the genetic disease.

The most common form of trisomy is Trisomy 16.  However, unlike Trisomy 21, most pregnancies with Trisomy 16 result in a miscarriage during the first trimester.  The same is true for many types of trisomy.  If a pregnancy with trisomy does make it to term, babies with trisomy often have serious birth defects. 

Genetic Testing

Genetic testing to prevent trisomy can be done with in-vitro fertilization treatment.  Preimplantation genetic diagnosis is done by removing a single cell from a developing embryo.  That cell is then analyzed to determine if the correct number of chromosomes are present.  If an abnormal number of chromosomes exist, that embryo is not transferred.  This step virtually eliminates the likelihood of having a child with trisomy. 

Informed Decisions

When selecting a fertility center, it is important to find a place where you are treated as an individual.  The New Hope Fertility Center team accomplishes this and more through open and ongoing communication with their patients.  They work tirelessly to ensure that all of their patients are fully informed about and involved in their treatment.  One way this is accomplished is through weekly seminars on PGD.  Held every Wednesday by industry leading embryologists and nurses, these seminars provide clients with all the information they need to determine if PGD is the right choice for them.

The staff at New Hope Fertility Center can help you learn how genetic testing to prevent trisomy can be a part of your fertility care plan. Please click the link below to enter your information and New Hope will contact you, or simply call 212-517-7676.  Thank you.

Topics: PGD, genetic screening, getting pregnant

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