Trisomy 13

Marty Kline


Trisomy 13 is a genetic disorder that is inherited through your chromosomes and there is no way to prevent it

How is it inherited?

Trisomy 13 can only be inherited if the 13 chromosome is attached to another chromosome or an extra copy of chromosome 13 is made
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Current Research

There is no known cure or prevention


-small head

-sloping forehead

-soft spots

-small jaw

-loose skin folds

-abnormal clusters of blood vessels

-small eyes

-absence of ocular tissue from the iris

-abnormal development of the retina

-skin folds over the inner corners of the eyes

-eyebrows may be sparse or absent

-80 percent of infants with Trisomy 13 Syndrome also have congenital heart defects

-In infants with PDA, the channel that is present between the pulmonary artery and the aorta during fetal development fails to close after birth

-heart may be located in the right side of the chest

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Test and Treatment

Testing for chromosomal disorders can tell if somethings wrong, although there is testing there is no way to prevent this from happening


Johnson, Paul A. “Trisomy 13.” The Gale Encyclopedia of Genetic Disorders. Gale Virtual Reference Library. Web. 4 Apr. 2016.

“Trisomy 18 and 13.” Stanford Children Health. N.p., n.d. Web. 6 Apr. 2016. <>.

“Trisomy 13.” Genetics home reference. N.p., 13 Nov. 2013. Web. 6 Apr. 2016. <>.

“Trisomy 13 Syndrome.” National Organization of Rare Diseases. Buyse ML. Birth Defects Encyclopedia. Dover, Mass: Blackwell Scientific Publications,, 2007. Web. 5 Apr. 2016. <>.